Bump google-github-actions/auth from 2.1.4 to 2.1.5

Bumps [google-github-actions/auth](https://github.com/google-github-actions/auth) from 2.1.4 to 2.1.5.
- [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@v2.1.4...v2.1.5)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/invoke_test_runner.yml

@@ -50,7 +50,7 @@ jobs:
 
       - id: 'auth'
         name: 'Authenticate to Google Cloud'
-        uses: google-github-actions/[email protected].4
+        uses: google-github-actions/[email protected].5
         with:
           credentials_json: ${{ secrets.GOOGLE_APPLICATION_CREDENTIALS }}