Delete a Retrospective Process Group

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

{
  "data": {
    "id": "ec47a1e8-a669-4e1e-9eb0-23d2ed998646",
    "type": "retrospective_process_groups",
    "attributes": {
      "retrospective_process_id": "a16604fb-8b6a-4a00-80cf-c5303620e0ab",
      "sub_status_id": "b5e33cfd-da63-4372-900f-3bb99b733de6",
      "position": 1,
      "updated_at": "2026-01-19T23:21:09.222-08:00",
      "created_at": "2026-01-19T23:21:08.605-08:00"
    },
    "relationships": {
      "retrospective_process_group_steps": {
        "data": []
      }
    }
  }
}