Delete a Retrospective Process Group

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

{
  "data": {
    "id": "77bbcc35-0313-4543-b68d-b90c4a030e0d",
    "type": "retrospective_process_groups",
    "attributes": {
      "retrospective_process_id": "f8461ca5-2772-458d-b301-10dbc579718e",
      "sub_status_id": "9ae2ee09-4387-4e38-b0e3-4c7a10301c40",
      "position": 1,
      "updated_at": "2025-12-01T07:42:54.127-08:00",
      "created_at": "2025-12-01T07:42:52.810-08:00"
    },
    "relationships": {
      "retrospective_process_group_steps": {
        "data": []
      }
    }
  }
}