feat: add annotations for init job

Author: fredleger

postal/values.yaml

@@ -341,6 +341,10 @@ jobs:
   # Bootstrap MariaDB
   initialize:
     enable: true # is it the right value ?
+    annotations:
+      helm.sh/hook: "post-install,post-upgrade"
+      helm.sh/hook-delete-policy: "before-hook-creation"
+      helm.sh/hook-weight: "1"
     image:
       repository: ghcr.io/postalserver/postal
       pullPolicy: IfNotPresent