Delete a Retrospective Process Group

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

{
  "data": {
    "id": "1c7b089a-52ef-4f94-b41e-64cd9f88f2ef",
    "type": "retrospective_process_groups",
    "attributes": {
      "retrospective_process_id": "117d8497-81c8-465b-9f23-3306b6362127",
      "sub_status_id": "38cc3db5-976c-4086-80e1-46c11b515652",
      "position": 1,
      "updated_at": "2025-07-25T16:58:11.081-07:00",
      "created_at": "2025-07-25T16:58:09.941-07:00"
    },
    "relationships": {
      "retrospective_process_group_steps": {
        "data": []
      }
    }
  }
}