Update Custom Repository Role

Updates a custom repository role that can be used by all repositories owned by the organization. For more information about custom repository roles, see "[About custom repository roles](https://docs.github.com/[email protected]/organizations/managing-peoples-access-to-your-organization-with-roles/about-custom-repository-roles)." The authenticated user must be an administrator for the organization to use this endpoint. OAuth app tokens and personal access tokens (classic) need the `admin...