chore(nodejs): update client ref docs link in metadata (#474)

Author: fhinkel

packages/google-container/.repo-metadata.json

@@ -10,6 +10,6 @@
   "product_documentation": "https://cloud.google.com/kubernetes-engine",
   "codeowner_team": "@googleapis/anthos-dpe",
   "name_pretty": "Kubernetes Engine Cluster Manager API",
-  "client_documentation": "https://googleapis.dev/nodejs/container/latest",
+  "client_documentation": "https://cloud.google.com/nodejs/docs/reference/container/latest",
   "release_level": "ga"
 }

packages/google-container/README.md

@@ -161,7 +161,7 @@ Apache Version 2.0
 
 See [LICENSE](https://github.com/googleapis/nodejs-cloud-container/blob/master/LICENSE)
 
-[client-docs]: https://googleapis.dev/nodejs/container/latest
+[client-docs]: https://cloud.google.com/nodejs/docs/reference/container/latest
 [product-docs]: https://cloud.google.com/kubernetes-engine
 [shell_img]: https://gstatic.com/cloudssh/images/open-btn.png
 [projects]: https://console.cloud.google.com/project