Retrieves a schedule

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

{
  "data": {
    "id": "09878071-49bd-4225-b241-6a48ff96b5b5",
    "type": "schedules",
    "attributes": {
      "name": "Schedule 14",
      "description": "Schedule description",
      "all_time_coverage": false,
      "slack_user_group": {},
      "slack_channel": null,
      "owner_user_id": 490,
      "owner_group_ids": [
        "758df557-4676-4f3a-96b9-0cd911d2f010"
      ],
      "created_at": "2025-11-20T15:57:36.297-08:00",
      "updated_at": "2025-11-20T15:57:36.315-08:00"
    },
    "relationships": {
      "owner_user": {
        "data": {
          "id": "490",
          "type": "users"
        }
      },
      "escalation_policies": {
        "data": []
      }
    }
  }
}