Retrieves a cause

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

{
  "data": {
    "id": "4c645300-c9e3-42f8-8bf1-9ee0ed459296",
    "type": "causes",
    "attributes": {
      "slug": "laboriosam-labore-inventore-autem",
      "name": "Laboriosam labore inventore autem.",
      "description": "Et architecto dignissimos perferendis.",
      "position": 1,
      "created_at": "2025-12-24T09:23:53.383-08:00",
      "updated_at": "2025-12-24T09:23:53.383-08:00"
    }
  }
}