Retrieves a RetrospectiveProcessGroup Step

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

{
  "data": {
    "id": "046a2311-a5ba-4fa9-9a2c-ee993e3402ff",
    "type": "retrospective_process_group_steps",
    "attributes": {
      "retrospective_process_group_id": "5f0203d8-855d-46d3-9934-bccd40dd5ec9",
      "retrospective_step_id": "6e51103f-8e86-474b-b5d3-9c81948b5db0",
      "position": 1,
      "updated_at": "2026-02-13T18:09:31.030-08:00",
      "created_at": "2026-02-13T18:09:31.030-08:00"
    }
  }
}