prevent delete hook on fail

Author: PJEstrada

templates/hooks/database_pre_upgrade.yaml

@@ -12,7 +12,7 @@ metadata:
     # job is considered part of the release.
     "helm.sh/hook": pre-upgrade
     "helm.sh/hook-weight": "2"
-    "helm.sh/hook-delete-policy": before-hook-creation,hook-succeeded
+    "helm.sh/hook-delete-policy": hook-succeeded
 spec:
   template:
     metadata: