Delete a Retrospective Process Group

curl --request DELETE \
  --url https://api.rootly.com/v1/retrospective_process_groups/{id} \
  --header 'Authorization: Bearer <token>'

{
  "data": {
    "id": "d08cb873-63d0-49e2-94e1-bdea045770ef",
    "type": "retrospective_process_groups",
    "attributes": {
      "retrospective_process_id": "c1e48946-7aba-4610-80fe-d4700a86edbe",
      "sub_status_id": "5339a3ac-e566-454f-aaf1-44b1475a4216",
      "position": 1,
      "updated_at": "2025-09-05T00:39:57.095-07:00",
      "created_at": "2025-09-05T00:39:56.212-07:00"
    },
    "relationships": {
      "retrospective_process_group_steps": {
        "data": []
      }
    }
  }
}