Added permissive network policy for webhook

clusters/prod/network-policy.yaml

@@ -0,0 +1,12 @@
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: allow-all-to-flux
+  namespace: flux-system
+spec:
+  podSelector: {}
+  ingress:
+    - {}
+  policyTypes:
+    - Ingress
+