update bitnami postgresql repo

kubernetes/apps/postgresql/app/release.yaml

@@ -34,7 +34,7 @@ spec:
       chart: postgresql
       sourceRef:
         kind: OCIRepository
-        name: bitnami
+        name: postgresql
   interval: 1h
   install:
     remediation:

kubernetes/infrastructure/repositories/repos/postgresql.yaml

@@ -1,8 +1,8 @@
 apiVersion: source.toolkit.fluxcd.io/v1beta2
 kind: OCIRepository
 metadata:
-  name: bitnami
+  name: postgresql
   namespace: flux-system
 spec:
   interval: 6h
-  url: oci://registry-1.docker.io/bitnamicharts
+  url: oci://registry-1.docker.io/bitnamicharts/postgresql