fix: thanks Bernd :)

cluster/flux/flux-system/flux-installation.yaml

@@ -29,3 +29,32 @@ spec:
   sourceRef:
     kind: GitRepository
     name: flux-installation
+  patches:
+    - target:
+        kind: Deployment
+        labelSelector: control-plane=controller
+      patch: |-
+        apiVersion: apps/v1
+        kind: Deployment
+        metadata:
+          name: not-used
+        spec:
+          template:
+            spec:
+              containers:
+                - name: manager
+                  resources:
+                    requests:
+                      memory: 512Mi
+                    limits:
+                      memory: "2Gi"
+    - target:
+        group: networking.k8s.io
+        version: v1
+        kind: NetworkPolicy
+      patch: |-
+        $patch: delete
+        apiVersion: networking.k8s.io/v1
+        kind: NetworkPolicy
+        metadata:
+          name: not-used