docs: def create_github_client(self, project):
          """Create a github3 client per repo/installation."""
          token = self._get_installation_key(project=project)
          if not token:
              LOGGER.warning(
                  "Could not find an authentication token for '%s'. Do you "
                  "have access to this repository?",
                  project,
              )
              return
          gh = github3.GitHubEnterprise(self.base_url)
          gh.login(token=token)
          return gh