Retrieves a RetrospectiveProcessGroup Step

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

{
  "data": {
    "id": "ef60fb30-6bd6-448d-a1fc-d8410c39ae84",
    "type": "retrospective_process_group_steps",
    "attributes": {
      "retrospective_process_group_id": "11805303-9105-4d3f-9d54-157fd61ce571",
      "retrospective_step_id": "69f8e8b6-0e8d-48ee-a214-a2d40de337a6",
      "position": 1,
      "updated_at": "2025-10-08T13:09:37.290-07:00",
      "created_at": "2025-10-08T13:09:37.290-07:00"
    }
  }
}