fix dependency issue

kubernetes/infrastructure/ingress-nginx/ingress-nginx.yaml

@@ -1,5 +1,20 @@
 apiVersion: kustomize.toolkit.fluxcd.io/v1
 kind: Kustomization
+metadata:
+  name: ingress-nginx-namespace
+  namespace: ingress-nginx
+spec:
+  interval: 1h
+  targetNamespace: ingress-nginx
+  path: ./kubernetes/infrastructure/ingress-nginx/app
+  prune: true
+  sourceRef:
+    kind: GitRepository
+    namespace: flux-system
+    name: flux-system
+---
+apiVersion: kustomize.toolkit.fluxcd.io/v1
+kind: Kustomization
 metadata:
   name: ingress-nginx-config
   namespace: ingress-nginx