Retrieves a cause

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

{
  "data": {
    "id": "d98d6e95-5892-4915-87c9-24a820a053dc",
    "type": "causes",
    "attributes": {
      "slug": "velit-praesentium-nihil-ad",
      "name": "Velit praesentium nihil ad.",
      "description": "Adipisci porro sit unde.",
      "position": 1,
      "created_at": "2025-12-19T18:14:05.271-08:00",
      "updated_at": "2025-12-19T18:14:05.271-08:00"
    }
  }
}