Delete a Retrospective Process Group

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

{
  "data": {
    "id": "87116eb2-86b2-4c9d-945e-d7dcea2f06fb",
    "type": "retrospective_process_groups",
    "attributes": {
      "retrospective_process_id": "6a606a90-1643-4891-8188-bc41ba155ebe",
      "sub_status_id": "ee042e30-b13e-4f11-83c8-ca5f3fed69ef",
      "position": 1,
      "updated_at": "2026-02-02T20:42:03.798-08:00",
      "created_at": "2026-02-02T20:42:03.063-08:00"
    },
    "relationships": {
      "retrospective_process_group_steps": {
        "data": []
      }
    }
  }
}