Update a Retrospective Process Group

curl --request PUT \
  --url https://api.rootly.com/v1/retrospective_process_groups/{id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/vnd.api+json' \
  --data '
{
  "data": {
    "type": "retrospective_process_groups",
    "attributes": {
      "sub_status_id": "<string>",
      "position": 123
    }
  }
}
'

{
  "data": {
    "id": "740d5b59-e1d6-4047-916a-1ba8726c6580",
    "type": "retrospective_process_groups",
    "attributes": {
      "retrospective_process_id": "9bdc07b7-5f0c-479b-be2d-5295b000cb72",
      "sub_status_id": "35d3ef42-e821-46b9-b380-cfbcff1c4915",
      "position": 1,
      "updated_at": "2026-01-09T05:36:47.036-08:00",
      "created_at": "2026-01-09T05:36:47.036-08:00"
    },
    "relationships": {
      "retrospective_process_group_steps": {
        "data": []
      }
    }
  }
}