Get an alert route

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

{
  "data": {
    "id": "97ac79fc-ddb6-4730-9591-7bd5cca00713",
    "type": "alert_routes",
    "attributes": {
      "name": "Test Alert Route-10b5",
      "enabled": true,
      "created_at": "2025-10-31T18:52:32.425-07:00",
      "updated_at": "2025-10-31T18:52:32.425-07:00",
      "alerts_source_ids": [],
      "owning_team_ids": [],
      "rules": []
    }
  }
}