fix sa name location

apps/base/customer1/pg-cluster-customer1.yaml

@@ -5,7 +5,7 @@ metadata:
   namespace: customer1
   
 spec:
-  serviceAccountName: cnpg-backup-sa
+  
   managed:
     roles:
       - name: customer1
@@ -30,6 +30,7 @@ spec:
         name: customer1-db-credentials 
   serviceAccountTemplate:
     metadata:
+      name: cnpg-backup-sa
       annotations:
         iam.gke.io/gcp-service-account: cnpg-backup-sa@devops-lab-cluster.iam.gserviceaccount.com