Retrieves a RetrospectiveProcessGroup Step

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

{
  "data": {
    "id": "7471e833-f5f6-47d7-9e53-648df17c35b0",
    "type": "retrospective_process_group_steps",
    "attributes": {
      "retrospective_process_group_id": "b729cdd6-3cbe-4b1a-a58d-49c79a663f35",
      "retrospective_step_id": "181f814a-37fe-46ae-a2d2-2fac2b1a1301",
      "position": 1,
      "updated_at": "2026-01-25T11:07:33.706-08:00",
      "created_at": "2026-01-25T11:07:33.706-08:00"
    }
  }
}