CHORE(argocd): set argocd reconciliation interval

- to 24h
- Reduce memory usage from frequent reconciliation (was 3min default)
- 53 applications checked every 3min caused ~1GiB memory fluctuation
- Manual Refresh/Sync still available when needed

argocd/argocd-cm.yaml

@@ -9,3 +9,6 @@ metadata:
 data:
   # Enable anonymous access (Authelia handles authentication)
   users.anonymous.enabled: "true"
+  # Reconciliation interval (default: 180s)
+  # Set to 24h to reduce memory usage - manual Refresh/Sync when needed
+  timeout.reconciliation: "24h"