Delete a Retrospective Process Group

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

{
  "data": {
    "id": "61683ca3-0ba5-4383-a349-40f39f96d788",
    "type": "retrospective_process_groups",
    "attributes": {
      "retrospective_process_id": "9e9ade3b-c147-47ff-91ba-a6f5eb1014f6",
      "sub_status_id": "eb220db6-12e7-48b1-b43a-29977b3d206c",
      "position": 1,
      "updated_at": "2025-10-20T08:33:46.763-07:00",
      "created_at": "2025-10-20T08:33:45.840-07:00"
    },
    "relationships": {
      "retrospective_process_group_steps": {
        "data": []
      }
    }
  }
}