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": "d359f856-450d-4d75-aa59-05e496d97796",
    "type": "retrospective_process_groups",
    "attributes": {
      "retrospective_process_id": "80e8e221-92a2-4374-8799-6a16b476bf9a",
      "sub_status_id": "f63cb954-0e99-40dd-a0f2-7f1b774961d2",
      "position": 1,
      "updated_at": "2025-11-14T13:17:25.918-08:00",
      "created_at": "2025-11-14T13:17:25.918-08:00"
    },
    "relationships": {
      "retrospective_process_group_steps": {
        "data": []
      }
    }
  }
}