Retrieves an override shift

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

{
  "data": {
    "id": "07e8b11b-e45b-4a09-a2e8-845313fa511a",
    "type": "shifts",
    "attributes": {
      "schedule_id": "271b60ce-a14b-42b1-a939-1248a1830141",
      "rotation_id": "05e61ae5-cf8f-4fd3-844c-547451012111",
      "starts_at": "2025-07-09T03:11:31.000-07:00",
      "ends_at": "2025-07-09T11:11:31.000-07:00",
      "is_override": true
    },
    "relationships": {
      "shift_override": {
        "data": null
      },
      "user": {
        "data": {
          "id": "354",
          "type": "users"
        }
      }
    }
  }
}