chore(deps): bump google-github-actions/auth from 1.1.1 to 1.2.0

Bumps [google-github-actions/auth](https://github.com/google-github-actions/auth) from 1.1.1 to 1.2.0.
- [Release notes](https://github.com/google-github-actions/auth/releases)
- [Changelog](https://github.com/google-github-actions/auth/blob/main/CHANGELOG.md)
- [Commits](google-github-actions/auth@35b0e87...f105ef0)

---
updated-dependencies:
- dependency-name: google-github-actions/auth
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/images.yaml

@@ -64,7 +64,7 @@ jobs:
 
     # Setup auth if not a PR.
     - if: github.event_name != 'pull_request'
-      uses: google-github-actions/auth@35b0e87d162680511bf346c299f71c9c5c379033 # v1.1.1
+      uses: google-github-actions/auth@f105ef0cdb3b102a020be1767fcc8a974898b7c6 # v1.2.0
       with:
         credentials_json: '${{ secrets.GCR_DEVOPS_SERVICE_ACCOUNT_KEY }}'
         export_environment_variables: true