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": "a5723cda-fe4f-4ce2-b6dd-73ff2dbe1890",
    "type": "retrospective_process_groups",
    "attributes": {
      "retrospective_process_id": "fb2b7365-46a3-4bff-827d-342c05b8ac7e",
      "sub_status_id": "fa96d723-bf6a-4319-9cd8-7934f8ddc21d",
      "position": 1,
      "updated_at": "2025-11-05T19:26:59.399-08:00",
      "created_at": "2025-11-05T19:26:59.399-08:00"
    },
    "relationships": {
      "retrospective_process_group_steps": {
        "data": []
      }
    }
  }
}