Bump google-github-actions/auth from 2.1.0 to 2.1.1

Bumps [google-github-actions/auth](https://github.com/google-github-actions/auth) from 2.1.0 to 2.1.1.
- [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@5a50e58...a6e2e39)

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

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

Author: dependabot[bot]

.github/workflows/ci.yaml

@@ -255,7 +255,7 @@ jobs:
             sqlalchemy-bigquery
       - id: 'auth'
         name: 'Authenticate to Google Cloud'
-        uses: 'google-github-actions/auth@5a50e581162a13f4baa8916d01180d2acbc04363'
+        uses: 'google-github-actions/auth@a6e2e39c0a0331da29f7fd2c2a20a427e8d3ad1f'
         with:
           credentials_json: '${{ secrets.GCP_KEY }}'
       - name: Run tests