Set custom labels for a self-hosted runner for an organization

Remove all previous custom labels and set the new custom labels for a specific self-hosted runner configured in an organization.

You must authenticate using an access token with the admin:org scope to use this endpoint. If the repository is private, you must use an access token with the repo scope. GitHub Apps must have the administration permission for repositories and the organization_self_hosted_runners permission for organizations. Authenticated users must have admin access to repositories or organizations, or the manage_runners:enterprise scope for enterprises, to use these endpoints.