Remove validation for the IP protocol type (#6271) (#12118)

* Update api.yaml

Remove validation for the protocol type

* Resolve Build errors for removing IP protocol validation

Signed-off-by: Modular Magician <[email protected]>

Author: modular-magician

.changelog/6271.txt

@@ -0,0 +1,3 @@
+```release-note:enhancement
+Remove validation for the IP protocol type
+```

google/resource_compute_packet_mirroring.go

@@ -169,10 +169,9 @@ destination (egress) IP in the IP header. Only IPv4 is supported.`,
 						"ip_protocols": {
 							Type:        schema.TypeList,
 							Optional:    true,
-							Description: `Protocols that apply as a filter on mirrored traffic. Possible values: ["tcp", "udp", "icmp"]`,
+							Description: `Possible IP protocols including tcp, udp, icmp and esp`,
 							Elem: &schema.Schema{
-								Type:         schema.TypeString,
-								ValidateFunc: validateEnum([]string{"tcp", "udp", "icmp"}),
+								Type: schema.TypeString,
 							},
 						},
 					},

website/docs/r/compute_packet_mirroring.html.markdown

@@ -223,8 +223,7 @@ The following arguments are supported:
 
 * `ip_protocols` -
   (Optional)
-  Protocols that apply as a filter on mirrored traffic.
-  Each value may be one of `tcp`, `udp`, and `icmp`.
+  Possible IP protocols including tcp, udp, icmp and esp
 
 * `cidr_ranges` -
   (Optional)