Retrieves a cause

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

{
  "data": {
    "id": "2e85703c-97bf-439d-8cb2-60fe5c4713db",
    "type": "causes",
    "attributes": {
      "slug": "dolore-est-accusantium-suscipit",
      "name": "Dolore est accusantium suscipit.",
      "description": "Eum dignissimos ut praesentium.",
      "position": 1,
      "created_at": "2026-02-11T10:35:59.800-08:00",
      "updated_at": "2026-02-11T10:35:59.800-08:00"
    }
  }
}