Bump google-github-actions/auth from 2.1.5 to 2.1.7

Bumps [google-github-actions/auth](https://github.com/google-github-actions/auth) from 2.1.5 to 2.1.7.
- [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@62cf5bd...6fc4af4)

---
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>

.github/workflows/deploy.yml

@@ -21,7 +21,7 @@ jobs:
       uses: hashicorp/setup-terraform@b9cd54a3c349d3f38e8881555d616ced269862dd
 
     - name: Authenticate to Google Cloud
-      uses: google-github-actions/auth@62cf5bd3e4211a0a0b51f2c6d6a37129d828611d # v2.1.5
+      uses: google-github-actions/auth@6fc4af4b145ae7821d527454aa9bd537d1f2dc5f # v2.1.7
       with:
         project_id: ${{ secrets.GCP_PROJECT_ID }}
         credentials_json: ${{ secrets.TF_GOOGLE_CREDENTIALS }}