Bump google-github-actions/get-gke-credentials from 1 to 2 (#166)

Bumps [google-github-actions/get-gke-credentials](https://github.com/google-github-actions/get-gke-credentials) from 1 to 2.
- [Release notes](https://github.com/google-github-actions/get-gke-credentials/releases)
- [Changelog](https://github.com/google-github-actions/get-gke-credentials/blob/main/CHANGELOG.md)
- [Commits](google-github-actions/get-gke-credentials@v1...v2)

---
updated-dependencies:
- dependency-name: google-github-actions/get-gke-credentials
  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/build-deploy.yaml

@@ -50,7 +50,7 @@ jobs:
           service_account: '${{ secrets.GC_SERVICE_ACCOUNT }}'
 
       - name: Get GKE cluster credentials
-        uses: google-github-actions/get-gke-credentials@v1
+        uses: google-github-actions/get-gke-credentials@v2
         with:
           cluster_name: '${{ secrets.GC_GKE_CLUSTER_NAME }}'
           location: '${{ secrets.GC_GKE_CLUSTER_LOCATION }}'