[auto] Update Rust toolchain to 1.88.0

[xv-github-iat-bot]

Changelog: https://releases.rs/docs/1.88.0/

[github-actions]

Code coverage summary for 8a467d3:

Filename                                                     Regions    Missed Regions     Cover   Functions  Missed Functions  Executed       Lines      Missed Lines     Cover    Branches   Missed Branches     Cover
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
lightway-app-utils/src/args/cipher.rs                              5                 5     0.00%           1                 1     0.00%           5                 5     0.00%           0                 0         -
lightway-app-utils/src/args/connection_type.rs                     5                 5     0.00%           1                 1     0.00%           5                 5     0.00%           0                 0         -
lightway-app-utils/src/args/duration.rs                           19                19     0.00%           4                 4     0.00%          12                12     0.00%           0                 0         -
lightway-app-utils/src/args/ip_map.rs                             19                19     0.00%           3                 3     0.00%          13                13     0.00%           0                 0         -
lightway-app-utils/src/args/logging.rs                            23                23     0.00%           2                 2     0.00%          16                16     0.00%           0                 0         -
lightway-app-utils/src/codec_ticker.rs                           140                17    87.86%          17                 4    76.47%          88                11    87.50%           0                 0         -
lightway-app-utils/src/connection_ticker.rs                      226                19    91.59%          28                 4    85.71%         127                11    91.34%           0                 0         -
lightway-app-utils/src/dplpmtud_timer.rs                         212                16    92.45%          22                 4    81.82%         117                11    90.60%           0                 0         -
lightway-app-utils/src/event_stream.rs                            19                 0   100.00%           3                 0   100.00%          11                 0   100.00%           0                 0         -
lightway-app-utils/src/iouring.rs                                420               387     7.86%          22                16    27.27%         254               231     9.06%           0                 0         -
lightway-app-utils/src/metrics.rs                                  3                 3     0.00%           1                 1     0.00%           3                 3     0.00%           0                 0         -
lightway-app-utils/src/sockopt/ip_mtu_discover.rs                 64                64     0.00%           4                 4     0.00%          58                58     0.00%           0                 0         -
lightway-app-utils/src/sockopt/ip_pktinfo.rs                      14                14     0.00%           1                 1     0.00%          16                16     0.00%           0                 0         -
lightway-app-utils/src/tun.rs                                    151               151     0.00%          22                22     0.00%          92                92     0.00%           0                 0         -
lightway-app-utils/src/utils.rs                                   21                21     0.00%           1                 1     0.00%          11                11     0.00%           0                 0         -
lightway-client/src/args.rs                                       14                14     0.00%           1                 1     0.00%           8                 8     0.00%           0                 0         -
lightway-client/src/io/inside/tun.rs                              63                63     0.00%           6                 6     0.00%          37                37     0.00%           0                 0         -
lightway-client/src/io/outside/tcp.rs                             78                78     0.00%           9                 9     0.00%          44                44     0.00%           0                 0         -
lightway-client/src/io/outside/udp.rs                            111               111     0.00%          11                11     0.00%          64                64     0.00%           0                 0         -
lightway-client/src/keepalive.rs                                 589                53    91.00%          54                 8    85.19%         352                28    92.05%           0                 0         -
lightway-client/src/lib.rs                                       552               552     0.00%          27                27     0.00%         373               373     0.00%           0                 0         -
lightway-client/src/main.rs                                      106               106     0.00%           6                 6     0.00%          86                86     0.00%           0                 0         -
lightway-core/src/borrowed_bytesmut.rs                           377                 1    99.73%          23                 0   100.00%         188                 1    99.47%           0                 0         -
lightway-core/src/builder_predicates.rs                           24                12    50.00%           4                 2    50.00%          24                12    50.00%           0                 0         -
lightway-core/src/cipher.rs                                       16                 0   100.00%           3                 0   100.00%          13                 0   100.00%           0                 0         -
lightway-core/src/connection.rs                                 1215               612    49.63%          56                21    62.50%         836               393    52.99%           0                 0         -
lightway-core/src/connection/builders.rs                         241                51    78.84%          21                 8    61.90%         250                58    76.80%           0                 0         -
lightway-core/src/connection/dplpmtud.rs                        1738                95    94.53%          63                 0   100.00%         811                 9    98.89%           0                 0         -
lightway-core/src/connection/fragment_map.rs                     378                15    96.03%          23                 0   100.00%         254                 7    97.24%           0                 0         -
lightway-core/src/connection/io_adapter.rs                       528                26    95.08%          34                 5    85.29%         275                21    92.36%           0                 0         -
lightway-core/src/connection/key_update.rs                        34                13    61.76%           5                 0   100.00%          38                19    50.00%           0                 0         -
lightway-core/src/context.rs                                     199                40    79.90%          25                 7    72.00%         205                41    80.00%           0                 0         -
lightway-core/src/context/ip_pool.rs                               8                 3    62.50%           1                 0   100.00%           5                 0   100.00%           0                 0         -
lightway-core/src/context/server_auth.rs                          35                27    22.86%           4                 3    25.00%          24                20    16.67%           0                 0         -
lightway-core/src/encoding_request_states.rs                       3                 0   100.00%           1                 0   100.00%           3                 0   100.00%           0                 0         -
lightway-core/src/io.rs                                           10                10     0.00%           3                 3     0.00%           9                 9     0.00%           0                 0         -
lightway-core/src/lib.rs                                          20                11    45.00%           4                 1    75.00%          18                 9    50.00%           0                 0         -
lightway-core/src/metrics.rs                                      27                27     0.00%           7                 7     0.00%          23                23     0.00%           0                 0         -
lightway-core/src/packet.rs                                       38                10    73.68%           4                 1    75.00%          30                 6    80.00%           0                 0         -
lightway-core/src/plugin.rs                                      304                13    95.72%          21                 3    85.71%         145                 7    95.17%           0                 0         -
lightway-core/src/utils.rs                                       335                27    91.94%          22                 2    90.91%         165                17    89.70%           0                 0         -
lightway-core/src/version.rs                                      94                 0   100.00%          17                 0   100.00%          82                 0   100.00%           0                 0         -
lightway-core/src/wire.rs                                        425                35    91.76%          27                 0   100.00%         224                 7    96.88%           0                 0         -
lightway-core/src/wire/auth_failure.rs                            27                 1    96.30%           3                 0   100.00%          17                 0   100.00%           0                 0         -
lightway-core/src/wire/auth_request.rs                           472                12    97.46%          26                 0   100.00%         241                 0   100.00%           0                 0         -
lightway-core/src/wire/auth_success_with_config_ipv4.rs          223                 4    98.21%          11                 0   100.00%         124                 0   100.00%           0                 0         -
lightway-core/src/wire/data.rs                                    52                 1    98.08%           5                 0   100.00%          34                 0   100.00%           0                 0         -
lightway-core/src/wire/data_frag.rs                              131                 1    99.24%          14                 0   100.00%          82                 0   100.00%           0                 0         -
lightway-core/src/wire/encoding_request.rs                        82                 2    97.56%           6                 0   100.00%          42                 1    97.62%           0                 0         -
lightway-core/src/wire/encoding_response.rs                       82                 2    97.56%           6                 0   100.00%          42                 1    97.62%           0                 0         -
lightway-core/src/wire/ping.rs                                    96                 3    96.88%           7                 0   100.00%          59                 0   100.00%           0                 0         -
lightway-core/src/wire/pong.rs                                    58                 2    96.55%           5                 0   100.00%          31                 0   100.00%           0                 0         -
lightway-core/src/wire/server_config.rs                           69                 2    97.10%           4                 0   100.00%          37                 0   100.00%           0                 0         -
lightway-server/src/auth.rs                                      224                50    77.68%          18                 5    72.22%         140                25    82.14%           0                 0         -
lightway-server/src/connection.rs                                129               129     0.00%          11                11     0.00%         105               105     0.00%           0                 0         -
lightway-server/src/connection_manager.rs                        334               334     0.00%          38                38     0.00%         268               268     0.00%           0                 0         -
lightway-server/src/connection_manager/connection_map.rs         409                22    94.62%          21                 1    95.24%         228                 8    96.49%           0                 0         -
lightway-server/src/io/inside/tun.rs                              54                54     0.00%           7                 7     0.00%          32                32     0.00%           0                 0         -
lightway-server/src/io/outside/tcp.rs                            146               146     0.00%           9                 9     0.00%          98                98     0.00%           0                 0         -
lightway-server/src/io/outside/udp.rs                            355               355     0.00%          18                18     0.00%         226               226     0.00%           0                 0         -
lightway-server/src/io/outside/udp/cmsg.rs                       178                43    75.84%          14                 5    64.29%         159                43    72.96%           0                 0         -
lightway-server/src/ip_manager.rs                                510                55    89.22%          19                 4    78.95%         216                26    87.96%           0                 0         -
lightway-server/src/ip_manager/ip_pool.rs                        514                 1    99.81%          25                 0   100.00%         238                 0   100.00%           0                 0         -
lightway-server/src/lib.rs                                       234               234     0.00%          11                11     0.00%         154               154     0.00%           0                 0         -
lightway-server/src/main.rs                                      213               213     0.00%          10                10     0.00%         110               110     0.00%           0                 0         -
lightway-server/src/metrics.rs                                   210               207     1.43%          42                41     2.38%         168               165     1.79%           0                 0         -
lightway-server/src/statistics.rs                                138                62    55.07%           8                 4    50.00%          89                37    58.43%           0                 0         -
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
TOTAL                                                          13843              4703    66.03%         952               363    61.87%        8354              3093    62.98%           0                 0         -

✅ Region coverage 66% passes
✅ Line coverage 62% passes

[kp-samuel-tam]

Yes.