Retrieves a cause

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

{
  "data": {
    "id": "acde3b95-d377-4cc5-a820-1adf8dc956bb",
    "type": "causes",
    "attributes": {
      "slug": "debitis-quidem-repellendus-qui",
      "name": "Debitis quidem repellendus qui.",
      "description": "Sit maiores eaque nesciunt.",
      "position": 1,
      "created_at": "2026-01-21T05:36:30.803-08:00",
      "updated_at": "2026-01-21T05:36:30.803-08:00"
    }
  }
}