(fix) enforce using an existing secret for common postgresql-hooks

charts/library/common/Chart.yaml

@@ -15,4 +15,4 @@ maintainers:
 name: common
 sources: null
 type: library
-version: 8.3.0
+version: 8.3.1

charts/library/common/values.yaml

@@ -902,5 +902,6 @@ addons:
 # @default -- See below
 postgresql:
   enabled: false
+  existingSecret: "dbcreds"
   # -- can be used to make an easy accessable note which URLS to use to access the DB.
   url: {}