feat(kubernetes): update podinfo manifest for improved namespace handling

- add namespace to OCIRepository metadata
- change namespace for HelmChart reference
- ensure consistent namespace usage across the manifest

🤖

manifests/podinfo.yml

@@ -1,7 +1,9 @@
+---
 apiVersion: source.toolkit.fluxcd.io/v1beta2
 kind: OCIRepository
 metadata:
   name: podinfo
+  namespace: podinfo
 spec:
   interval: 5m0s
   url: oci://ghcr.io/stefanprodan/charts/podinfo
@@ -16,7 +18,7 @@ spec:
   chartRef:
     kind: HelmChart
     name: podinfo
-    namespace: flux-system
+    namespace: podinfo
   interval: 10m
   values:
     replicaCount: 2