Another attempt

Author: PhilWindle

.github/workflows/deploy-staging-network.yml

@@ -95,6 +95,11 @@ jobs:
         run: |
           gcloud auth activate-service-account --key-file="$GOOGLE_APPLICATION_CREDENTIALS"
 
+      - name: Setup gcloud and install GKE auth plugin
+        uses: google-github-actions/setup-gcloud@v2
+        with:
+          install_components: 'gke-gcloud-auth-plugin'
+
       - name: Setup Terraform
         uses: hashicorp/setup-terraform@633666f66e0061ca3b725c73b2ec20cd13a8fdd1
         with: