Retrieves an override shift

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

{
  "data": {
    "id": "054d3115-54b6-44fc-973a-a2a96696c70c",
    "type": "shifts",
    "attributes": {
      "schedule_id": "7a1ce937-d9cd-4d3a-9441-836fc9719c47",
      "rotation_id": "470c9c29-fba8-422c-8a49-815793b67d31",
      "starts_at": "2025-08-01T05:10:36.000-07:00",
      "ends_at": "2025-08-01T13:10:36.000-07:00",
      "is_override": true
    },
    "relationships": {
      "shift_override": {
        "data": null
      },
      "user": {
        "data": {
          "id": "355",
          "type": "users"
        }
      }
    }
  }
}