Retrieves an override shift

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

{
  "data": {
    "id": "8b9cf3fa-db21-551a-8101-5000b0c1ab26",
    "type": "shifts",
    "attributes": {
      "schedule_id": "dcdd858c-3030-47d5-a7d0-13669acda457",
      "rotation_id": "bef1932e-58ae-4957-994f-5b7e463d4717",
      "user_id": 452,
      "starts_at": "2025-12-03T09:47:46.000-08:00",
      "ends_at": "2025-12-03T17:47:46.000-08:00",
      "is_override": true
    },
    "relationships": {
      "shift_override": {
        "data": null
      },
      "user": {
        "data": {
          "id": "452",
          "type": "users"
        }
      }
    }
  }
}