just change bitnami to bitnamilegacy postgresql image repository

Author: ATGardner

tests/component-tests/setup/values/gitea.values.yaml

@@ -15,6 +15,4 @@ postgresql-ha:
 postgresql:
   enabled: true
   image:
-    registry: docker.io
-    repository: bitnamicharts/gitea
-    tag: sha256-b5a2e4a468a66945d67ce4d34f1b1b3d98e7887d137ed285cf9b16e1c52446b1
+    repository: bitnamilegacy/postgresql