Bump google-github-actions/auth from 1 to 2 (#161)

Bumps [google-github-actions/auth](https://github.com/google-github-actions/auth) from 1 to 2.
- [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@v1...v2)

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

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

Author: dependabot[bot]

.github/workflows/build-deploy.yaml

@@ -44,7 +44,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Authenticate to Google Cloud
-        uses: google-github-actions/auth@v1
+        uses: google-github-actions/auth@v2
         with:
           workload_identity_provider: '${{ secrets.GC_WORKLOAD_IDENTITY_PROVIDER }}'
           service_account: '${{ secrets.GC_SERVICE_ACCOUNT }}'