Retrieves a schedule

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

{
  "data": {
    "id": "84313c00-f304-4216-a028-e2e05a7de204",
    "type": "schedules",
    "attributes": {
      "name": "Schedule 10",
      "description": "Schedule description",
      "all_time_coverage": false,
      "slack_user_group": {},
      "owner_user_id": 475,
      "owner_group_ids": [
        "7513df40-65a5-49b3-959e-353431c9b2b7"
      ],
      "created_at": "2025-10-20T08:34:20.634-07:00",
      "updated_at": "2025-10-20T08:34:20.655-07:00"
    },
    "relationships": {
      "owner_user": {
        "data": {
          "id": "475",
          "type": "users"
        }
      },
      "escalation_policies": {
        "data": []
      }
    }
  }
}