fix java libraries links (#37069)

Author: NicolaIsotta

content/rest/using-the-rest-api/libraries-for-the-rest-api.md

@@ -62,8 +62,8 @@ These third-party libraries are not maintained by {% data variables.product.comp
 
 ### Java
 
-* GitHub API for Java, an object oriented representation of the GitHub API: [org.kohsuke.github (From github-api)](http://github-api.kohsuke.org/)
-* JCabi GitHub API, based on Java7 JSON API (JSR-353), simplifies tests with a runtime GitHub stub, and covers the entire API: [github.jcabi.com (Personal Website)](http://github.jcabi.com)
+* GitHub API for Java, an object oriented representation of the GitHub API: [hub4j/github-api](https://hub4j.github.io/github-api/)
+* JCabi GitHub API, based on Java7 JSON API (JSR-353), simplifies tests with a runtime GitHub stub, and covers the entire API: [github.jcabi.com (Personal Website)](https://github.jcabi.com)
 
 ### JavaScript