chore: add restartPolicy into sample because this is required property.

Author: mztnnrt

site/content/en/references/kustomize/kustomization/replacements/_index.md

@@ -215,6 +215,7 @@ metadata:
 spec:
   template:
     spec:
+      restartPolicy: OnFailure
       containers:
         - image: myimage
           name: hello