fix(k8s-certs-renew): Use kube_apiserver_port instead of hard-coding (#9620)

Signed-off-by: Kevin Huang <git@kevin.huang.to>

Signed-off-by: Kevin Huang <git@kevin.huang.to>

roles/kubernetes/control-plane/templates/k8s-certs-renew.sh.j2

@@ -17,7 +17,7 @@ echo "## Updating /root/.kube/config ##"
 cp {{ kube_config_dir }}/admin.conf /root/.kube/config
 
 echo "## Waiting for apiserver to be up again ##"
-until printf "" 2>>/dev/null >>/dev/tcp/127.0.0.1/6443; do sleep 1; done
+until printf "" 2>>/dev/null >>/dev/tcp/127.0.0.1/{{ kube_apiserver_port | default(6443) }}; do sleep 1; done
 
 echo "## Expiration after renewal ##"
 {{ bin_dir }}/kubeadm certs check-expiration