Bump google-github-actions/auth from 1.2.0 to 2.0.0 (#1147)

Bumps [google-github-actions/auth](https://github.com/google-github-actions/auth) from 1.2.0 to 2.0.0.
- [Release notes](https://github.com/google-github-actions/auth/releases)
- [Changelog](https://github.com/google-github-actions/auth/blob/main/CHANGELOG.md)
- [Commits](https://github.com/google-github-actions/auth/compare/v1.2.0...v2.0.0)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/ci.yml

@@ -340,7 +340,7 @@ jobs:
             cat last_download.json
 
       - name: Authenticate to Google Cloud
-        uses: 'google-github-actions/auth@v1.2.0'
+        uses: 'google-github-actions/auth@v2.0.0'
         with:
           credentials_json: '${{ secrets.GOOGLE_CLOUD_DL_SA }}'