Api support required for checking the authorization for Github OAuth token after previous api has been deprecated

[sundergopalsingh]

Describe the bug Github has deprecated previous REST api that was used to check the authorization of OAuth token as per https://docs.github.com/en/[email protected]/rest/reference/oauth-authorizations#check-an-authorization and blog post https://developer.github.com/changes/2020-02-14-deprecating-oauth-app-endpoint/

In this repository we are using the deprecated api :- https://github.com/hub4j/github-api/blob/main/src/main/java/org/kohsuke/github/GitHub.java#L1106 and there is no support for the new APIs mentioned as per blog. So we would need support for new APIs to be added in order to check for a token authorization part as well as for the other areas which has been effected by the deprecation of the authorization APIs.

To Reproduce Steps to reproduce the behavior:

1. Create an OAuth token
2. Try to validate the token using checkAuth Method https://github.com/hub4j/github-api/blob/main/src/main/java/org/kohsuke/github/GitHub.java#L1105 with valid clientId and accessToken created previously.
3. It returns 404

Expected behavior checkAuth method or any other method added should not return 404 for a valid token and should return the proper GHAuthorization object.