Refactor undeploy workflow to use Azure CLI for resource group deletion

Author: Raffaele Marcello

.github/workflows/undeploy.yml

@@ -21,10 +21,11 @@ jobs:
         subscription-id: ${{ secrets.AZURE_SUBSCRIPTION_ID }}
         enable-AzPSSession: true
 
-    # Destroy Resource Group
-    - name: Azure ARM Deployment
-      uses: azure/ARM@v1
+    # Delete Resource Group
+    - name: Azure CLI script
+      uses: Azure/CLI@v1
       with:
-        azcliversion: 2.0.72
         inlineScript: |
-          az group delete --name ${{ secrets.AZURE_RG }} --yes --no-wait
+          #!/bin/bash
+          az group delete --name ${{ secrets.AZURE_RG }} --yes --no-wait
+          echo "Resource Group Deleted"