Bump google-github-actions/auth from 1 to 2 (#224)

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
...

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

Author: dependabot[bot]

.github/workflows/deploy-cloud-workflow.yml

@@ -16,7 +16,7 @@ jobs:
       - uses: actions/checkout@v4
       - id: 'auth'
         name: 'Authenticate to Google Cloud'
-        uses: 'google-github-actions/auth@v1'
+        uses: 'google-github-actions/auth@v2'
         with:
           credentials_json: '${{ secrets.GCP_SA_KEY }}'
       - name: Set up Cloud SDK

.github/workflows/deploy-dataflow-flex-template.yml

@@ -20,7 +20,7 @@ jobs:
       - uses: actions/checkout@v4
       - id: 'auth'
         name: 'Authenticate to Google Cloud'
-        uses: 'google-github-actions/auth@v1'
+        uses: 'google-github-actions/auth@v2'
         with:
           credentials_json: '${{ secrets.GCP_SA_KEY }}'
       - name: Set up Cloud SDK