workflows: bump google-github-actions/get-gke-credentials from 2 to 3

Bumps [google-github-actions/get-gke-credentials](https://github.com/google-github-actions/get-gke-credentials) from 2 to 3.
- [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@v2...v3)

---
updated-dependencies:
- dependency-name: google-github-actions/get-gke-credentials
  dependency-version: '3'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/call-run-integration-test.yaml

@@ -264,7 +264,7 @@ jobs:
 
       - name: Get the GKE Kubeconfig
         if: matrix.cloud == 'gke'
-        uses: 'google-github-actions/get-gke-credentials@v2'
+        uses: 'google-github-actions/get-gke-credentials@v3'
         with:
           cluster_name: ${{ needs.call-run-terraform-setup.outputs.gke-cluster-name }}
           location: ${{ needs.call-run-terraform-setup.outputs.gke-cluster-zone }}