Delete an alert source

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

{
  "data": {
    "id": "dae968ca-173b-4c9e-a898-fa57e7cabedb",
    "type": "alert_sources",
    "attributes": {
      "name": "Alert Source 21",
      "source_type": "datadog",
      "status": "setup_incomplete",
      "secret": "6162e7187461b761efc72dc4b47d04b182cc7f7cf6c81710a4e8362293f53160",
      "alert_urgency_id": "c5ebf3b6-4161-43c4-b18e-cbf4be813b25",
      "created_at": "2026-01-10T22:53:31.206-08:00",
      "updated_at": "2026-01-10T22:53:34.013-08:00",
      "webhook_endpoint": "http://localhost:3001/webhooks/incoming/datadog_webhooks/notify/<TYPE>/<ID>",
      "owner_group_ids": [],
      "alert_source_urgency_rules_attributes": [],
      "alert_source_fields_attributes": [],
      "sourceable_attributes": null,
      "alert_template_attributes": null,
      "resolution_rule_attributes": null
    },
    "relationships": {
      "alert_source_urgency_rules": {
        "data": []
      },
      "alert_source_fields": {
        "data": []
      }
    }
  }
}