Expose calico-typha metrics port (#8855)

roles/network_plugin/calico/templates/calico-typha.yml.j2

@@ -14,6 +14,12 @@ spec:
       protocol: TCP
       targetPort: calico-typha
       name: calico-typha
+{% if typha_prometheusmetricsenabled %}
+    - port: {{ typha_prometheusmetricsport }}
+      protocol: TCP
+      targetPort: http-metrics
+      name: metrics
+{% endif %}
   selector:
     k8s-app: calico-typha
 
@@ -76,6 +82,11 @@ spec:
         - containerPort: 5473
           name: calico-typha
           protocol: TCP
+{% if typha_prometheusmetricsenabled %}
+        - containerPort: {{ typha_prometheusmetricsport }}
+          name: http-metrics
+          protocol: TCP
+{% endif %}
         envFrom:
         - configMapRef:
             # Allow KUBERNETES_SERVICE_HOST and KUBERNETES_SERVICE_PORT to be overridden for eBPF mode.