CHORE(repo): disable prune for App of Apps safety

- Set prune: false to prevent cascade deletion
- Ensure child apps persist if parent is removed

application.yaml

@@ -19,7 +19,7 @@ spec:
 
   syncPolicy:
     automated:
-      prune: true
+      prune: false
       selfHeal: true
     syncOptions:
       - CreateNamespace=true