Ensure metrics port exists for nodelocaldns/nodelocaldns-second daemonsets (#11998)

- update metrics port to use port variable
- unconditionally define ports

roles/kubernetes-apps/ansible/templates/nodelocaldns-daemonset.yml.j2

@@ -47,7 +47,7 @@ spec:
         - coredns
 {% if enable_nodelocaldns_secondary %}
         - -skipteardown
-{% else %}
+{% endif %}
         ports:
         - containerPort: 53
           name: dns
@@ -55,10 +55,9 @@ spec:
         - containerPort: 53
           name: dns-tcp
           protocol: TCP
-        - containerPort: 9253
+        - containerPort: {{ nodelocaldns_prometheus_port }}
           name: metrics
           protocol: TCP
-{% endif %}
         securityContext:
           privileged: true
 {% if nodelocaldns_bind_metrics_host_ip %}