fix: added EmptyOrUnsetBlockDiffSuppress to the scalingMode field in resource google_cloud_run_v2_service (#15904)

Author: tamir-deep

mmv1/products/cloudrunv2/Service.yaml

@@ -323,6 +323,7 @@ properties:
     description: |
       Scaling settings that apply to the whole service
     default_from_api: true
+    diff_suppress_func: 'tpgresource.EmptyOrUnsetBlockDiffSuppress'
     properties:
       - name: 'minInstanceCount'
         type: Integer