chore: update repo-metadata.json client_documentation link

.repo-metadata.json

@@ -3,7 +3,7 @@
   "name_pretty": "Cloud Shell",
   "product_documentation": "https://cloud.google.com/shell/docs",
   "api_description": "is an interactive shell environment for Google Cloud that makes it easy for you to learn and experiment with Google Cloud and manage your projects and resources from your web browser.",
-  "client_documentation": "https://googleapis.dev/java/google-cloud-shell/latest/index.html",
+  "client_documentation": "https://cloud.google.com/java/docs/reference/google-cloud-shell/latest/history",
   "release_level": "ga",
   "transport": "grpc",
   "language": "java",

README.md

@@ -160,7 +160,7 @@ Java 11 | [![Kokoro CI][kokoro-badge-image-5]][kokoro-badge-link-5]
 Java is a registered trademark of Oracle and/or its affiliates.
 
 [product-docs]: https://cloud.google.com/shell/docs
-[javadocs]: https://googleapis.dev/java/google-cloud-shell/latest/index.html
+[javadocs]: https://cloud.google.com/java/docs/reference/google-cloud-shell/latest/history
 [kokoro-badge-image-1]: http://storage.googleapis.com/cloud-devrel-public/java/badges/java-shell/java7.svg
 [kokoro-badge-link-1]: http://storage.googleapis.com/cloud-devrel-public/java/badges/java-shell/java7.html
 [kokoro-badge-image-2]: http://storage.googleapis.com/cloud-devrel-public/java/badges/java-shell/java8.svg