chore(deps): bump docker/login-action from 2 to 3 (#1179)

Bumps [docker/login-action](https://github.com/docker/login-action) from 2 to 3.
- [Release notes](https://github.com/docker/login-action/releases)
- [Commits](docker/login-action@v2...v3)

---
updated-dependencies:
- dependency-name: docker/login-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>

.github/workflows/build.yml

@@ -42,7 +42,7 @@ jobs:
       - name: Login to GAR
         # Only run this on repositories in the 'spinnaker' org, not on forks.
         if: startsWith(github.repository, 'spinnaker/')
-        uses: docker/login-action@v2
+        uses: docker/login-action@v3
         # use service account flow defined at: https://github.com/docker/login-action#service-account-based-authentication-1
         with:
           registry: us-docker.pkg.dev

.github/workflows/release.yml

@@ -79,7 +79,7 @@ jobs:
       - name: Login to GAR
         # Only run this on repositories in the 'spinnaker' org, not on forks.
         if: startsWith(github.repository, 'spinnaker/')
-        uses: docker/login-action@v2
+        uses: docker/login-action@v3
         # use service account flow defined at: https://github.com/docker/login-action#service-account-based-authentication-1
         with:
           registry: us-docker.pkg.dev