Retrieves a cause

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

{
  "data": {
    "id": "8a1c55d9-f5cb-4434-a1d0-708740e85a12",
    "type": "causes",
    "attributes": {
      "slug": "quia-dolorem-cumque-nihil",
      "name": "Quia dolorem cumque nihil.",
      "description": "Veritatis qui vel cupiditate.",
      "position": 1,
      "created_at": "2025-11-06T13:20:06.629-08:00",
      "updated_at": "2025-11-06T13:20:06.629-08:00"
    }
  }
}