Instruct to suspend helmrelease during restore

docs/maintenance.rst

@@ -96,6 +96,7 @@ the following commands:
 .. code:: bash
 
    flux suspend kustomization $app
+   flux suspend helmrelease -n stackspin-apps $app
    kubectl delete service -n stackspin-apps -l stackspin.net/backupSet=$app
    kubectl delete deployment -n stackspin-apps -l stackspin.net/backupSet=$app
    kubectl delete statefulset -n stackspin-apps -l stackspin.net/backupSet=$app
@@ -103,6 +104,7 @@ the following commands:
    velero restore create arbitrary-name-of-restore-operation --from-backup=$backup -l stackspin.net/backupSet=$app
    # At this point, please first wait for the restore operation to finish, see
    # text below.
+   flux resume helmrelease -n stackspin-apps $app
    flux resume kustomization $app
 
 .. note::