fix(cert-manager): Add missing kube-dns to http-challenge egress

shared/networkpolicies/allow-to-public-web-http-challenge.yaml

@@ -17,6 +17,18 @@ spec:
     ports:
       - protocol: TCP
         port: 80
+  - to:
+      - namespaceSelector:
+          matchLabels:
+            kubernetes.io/metadata.name: kube-system
+        podSelector:
+          matchLabels:
+            k8s-app: kube-dns
+    ports:
+      - port: 53
+        protocol: UDP
+      - port: 53
+        protocol: TCP
   policyTypes:
   - Egress
   podSelector: