fix: add remote image support to verify

[aaron-prindle]

Fixes #7833

Manually verified by deleting all local docker images and attempting to run the following (which pulled the remote images as is desired):

aprindle@aprindle-ssd ~/verify-test $ skaffold verify --build-artifacts artifacts.json
Tags used in verification:
 - integration-test-container -> gcr.io/aprindle-test-cluster/integration-test-container:latest@sha256:4e3ae82a05b09341495807aa60e9e9e54cfdf4cc2113db0330c4a747b9d79d1b
 - metrics-test-container -> gcr.io/aprindle-test-cluster/metrics-test-container:latest@sha256:d1be956070c7ea43ffc1aa84dbfa71ddbe4a9364dbf5e8f8144e212a4623b239
gcr.io/aprindle-test-cluster/integration-test-container@sha256:4e3ae82a05b09341495807aa60e9e9e54cfdf4cc2113db0330c4a747b9d79d1b: Pulling from aprindle-test-cluster/integration-test-container
2408cc74d12b: Pulling fs layer
4b088e8ba4a2: Pulling fs layer
4b088e8ba4a2: Verifying Checksum
4b088e8ba4a2: Download complete
2408cc74d12b: Verifying Checksum
2408cc74d12b: Download complete
2408cc74d12b: Pull complete
4b088e8ba4a2: Pull complete
Digest: sha256:4e3ae82a05b09341495807aa60e9e9e54cfdf4cc2113db0330c4a747b9d79d1b
Status: Downloaded newer image for gcr.io/aprindle-test-cluster/integration-test-container@sha256:4e3ae82a05b09341495807aa60e9e9e54cfdf4cc2113db0330c4a747b9d79d1b
gcr.io/aprindle-test-cluster/metrics-test-container@sha256:d1be956070c7ea43ffc1aa84dbfa71ddbe4a9364dbf5e8f8144e212a4623b239: Pulling from aprindle-test-cluster/metrics-test-container
2408cc74d12b: Already exists
a6a72748a056: Pulling fs layer
a6a72748a056: Verifying Checksum
a6a72748a056: Download complete
a6a72748a056: Pull complete
Digest: sha256:d1be956070c7ea43ffc1aa84dbfa71ddbe4a9364dbf5e8f8144e212a4623b239
Status: Downloaded newer image for gcr.io/aprindle-test-cluster/metrics-test-container@sha256:d1be956070c7ea43ffc1aa84dbfa71ddbe4a9364dbf5e8f8144e212a4623b239
3.15.4: Pulling from aprindle-test-cluster/alpine
df9b9388f04a: Pulling fs layer
df9b9388f04a: Verifying Checksum
df9b9388f04a: Download complete
[integration-test-container] Integration Test 1/4 Running ...
df9b9388f04a: Pull complete
Digest: sha256:a777c9c66ba177ccfea23f2a216ff6721e78a662cd17019488c417135299cd89
Status: Downloaded newer image for gcr.io/aprindle-test-cluster/alpine:3.15.4
[integration-test-container] Integration Test 1/4 Passed!
[metrics-test-container] Metrics test in progress...
[metrics-test-container] Metrics test passed!
[alpine-1] 
[alpine-1] Thu Sep  1 22:47:33 UTC 2022
[alpine-1] Exit Code  is set for this container
[integration-test-container] Integration Test 2/4 Running...!
[integration-test-container] Integration Test 2/4 Passed!
[integration-test-container] Integration Test 3/4 Running...!
[integration-test-container] Integration Test 3/4 Passed!
[integration-test-container] Integration Test 4/4 Running...!
[integration-test-container] Integration Test 4/4 Passed!

[codecov]

Codecov Report

Merging #7835 (8410b09) into main (290280e) will decrease coverage by 3.84%.
The diff coverage is 53.59%.

@@            Coverage Diff             @@
##             main    #7835      +/-   ##
==========================================
- Coverage   70.48%   66.63%   -3.85%     
==========================================
  Files         515      593      +78     
  Lines       23150    28711    +5561     
==========================================
+ Hits        16317    19133    +2816     
- Misses       5776     8171    +2395     
- Partials     1057     1407     +350     

Impacted Files	Coverage Δ
cmd/skaffold/app/cmd/credits/export.go	0.00% <0.00%> (ø)
cmd/skaffold/app/cmd/deploy.go	40.90% <0.00%> (-12.94%)	⬇️
cmd/skaffold/app/cmd/test.go	44.44% <0.00%> (ø)
cmd/skaffold/skaffold.go	0.00% <0.00%> (ø)
cmd/skaffold/app/cmd/inspect_tests.go	62.50% <14.28%> (-1.14%)	⬇️
cmd/skaffold/app/cmd/render.go	35.48% <18.18%> (-5.90%)	⬇️
cmd/skaffold/app/cmd/lsp.go	28.12% <28.12%> (ø)
cmd/skaffold/app/cmd/run.go	64.28% <33.33%> (-9.63%)	⬇️
cmd/skaffold/app/cmd/fix.go	56.41% <37.50%> (-20.07%)	⬇️
cmd/skaffold/app/cmd/verify.go	41.17% <41.17%> (ø)
... and 365 more

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