Update metrics-server container port

This matches the upstream manifest

Author: rifelpet

upup/models/cloudup/resources/addons/metrics-server.addons.k8s.io/k8s-1.11.yaml.template

@@ -133,7 +133,7 @@ spec:
     spec:
       containers:
       - args:
-        - --secure-port=4443
+        - --secure-port=10250
         - --kubelet-use-node-status-port
         - --metric-resolution=15s
         - --kubelet-preferred-address-types={{ if or IsIPv6Only (not (eq GetCloudProvider "aws"))}}InternalIP{{ else }}Hostname{{ end }}
@@ -157,7 +157,7 @@ spec:
           periodSeconds: 10
         name: metrics-server
         ports:
-        - containerPort: 4443
+        - containerPort: 10250
           name: https
           protocol: TCP
         readinessProbe: