This adds argument `auth` and deprecates `login_or_token`, `password`, `jwt`, and `app_auth` arguments of `github.Github`.
This adds argument `auth` and deprecates `integration_id`, `private_key` of `github.GithubIntegration`.
This deprecates the `create_jwt` method of `github.GithubIntegration`, replaced by `github.Auth.AppAuth.create_jwt`.
