Permission on "self-hosted runners"

• GET /orgs/:org/actions/runners/downloads (:read)
• POST /orgs/:org/actions/runners/registration-token (:write)
• GET /orgs/:org/actions/runners (:read)
• GET /orgs/:org/actions/runners/:runner_id (:read)
• POST /orgs/:org/actions/runners/remove-token (:write)
• DELETE /orgs/:org/actions/runners/:runner_id (:write)