Retrieves an override shift

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

{
  "data": {
    "id": "09e452fe-9dc7-4efd-bc89-91233fc0455b",
    "type": "shifts",
    "attributes": {
      "schedule_id": "43668df5-dda7-40f4-9900-edbc9a785967",
      "rotation_id": "585dca49-2856-43d9-a3a0-a3b510323441",
      "starts_at": "2025-08-21T17:34:52.000-07:00",
      "ends_at": "2025-08-22T01:34:52.000-07:00",
      "is_override": true
    },
    "relationships": {
      "shift_override": {
        "data": null
      },
      "user": {
        "data": {
          "id": "355",
          "type": "users"
        }
      }
    }
  }
}