Retrieves an override shift

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

{
  "data": {
    "id": "1ba5b7d7-e2fb-4f17-8e91-2ebea920d806",
    "type": "shifts",
    "attributes": {
      "schedule_id": "c572f332-f15a-461d-b78a-3b00dd36cf5a",
      "rotation_id": "e5842688-c76a-4e13-8a80-73a21ea37298",
      "starts_at": "2025-09-11T01:01:32.000-07:00",
      "ends_at": "2025-09-11T09:01:32.000-07:00",
      "is_override": true
    },
    "relationships": {
      "shift_override": {
        "data": null
      },
      "user": {
        "data": {
          "id": "371",
          "type": "users"
        }
      }
    }
  }
}