bump kube-network-policies to v0.5.0

Author: aojea

cluster/addons/kube-network-policies/kube-network-policies.yaml

@@ -27,7 +27,7 @@ spec:
       serviceAccountName: kube-network-policies
       containers:
       - name: kube-network-policies
-        image: registry.k8s.io/networking/kube-network-policies:v0.4.0
+        image: registry.k8s.io/networking/kube-network-policies:v0.5.0
         command:
         - /bin/sh
         - -c