Change kiam-server 443 port name (#1692)

kiam-server port name changed from commit uswitch/kiam@ceb88e1
This PR is to reflect this change in the template

Author: cebernardi

core/controlplane/config/templates/cloud-config-controller

@@ -5310,7 +5310,7 @@ write_files:
           app: kiam
           role: server
         ports:
-        - name: grpc
+        - name: grpclb
           port: 443
           targetPort: 443
           protocol: TCP