Fix etherpad networkpolicy

etherpad/application.yml

@@ -126,8 +126,15 @@ spec:
           protocol: TCP
   egress:
     - ports:
-        - port: 3306
+        - port: 53
           protocol: TCP
       to:
         - ipBlock:
-            cidr: 172.20.36.1/32
+            cidr: 10.96.0.10/32
+    - to:
+        - podSelector:
+            matchLabels:
+              app: mariadb
+      ports:
+        - protocol: TCP
+          port: 3306