Adding in the metricsBindAddress to kube-proxy configmap to allow for metric scraping (#1785)

Author: Erleene

builtin/files/userdata/cloud-config-controller

@@ -3275,6 +3275,7 @@ write_files:
           apiVersion: {{if checkVersion ">=1.9" .K8sVer}}kubeproxy.config.k8s.io{{else}}componentconfig{{end}}/v1alpha1
           kind: KubeProxyConfiguration
           bindAddress: 0.0.0.0
+          metricsBindAddress: 0.0.0.0:10249
           {{range $flag,$value := .KubeProxy.Config -}}
           {{$flag}}: {{$value}}
           {{ end -}}