List Webhooks

curl --request GET \
  --url https://api.loyaltylion.com/v2/webhooks \
  --header 'Authorization: Bearer <token>'

{
  "webhooks": [
    {
      "id": 123,
      "topic": "rewards/store_fulfilment",
      "address": "https://example.com/webhook",
      "created_at": "<string>",
      "updated_at": "<string>",
      "service_integration_id": 123
    }
  ]
}