Retrieves a cause

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

{
  "data": {
    "id": "1ca1a478-e251-45c3-94c8-c11ac8f39268",
    "type": "causes",
    "attributes": {
      "slug": "recusandae-eaque-et-reprehenderit",
      "name": "Recusandae eaque et reprehenderit.",
      "description": "Animi nisi est vel.",
      "position": 1,
      "created_at": "2025-09-12T00:35:30.726-07:00",
      "updated_at": "2025-09-12T00:35:30.726-07:00"
    }
  }
}