Delete an alert source

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

{
  "data": {
    "id": "1146a3ce-b6da-40a4-972f-ca386423578c",
    "type": "alert_sources",
    "attributes": {
      "name": "Alert Source 20",
      "source_type": "datadog",
      "status": "setup_incomplete",
      "secret": "822d0ab3c1bd62357679c53a07f529448b1dc48ed034f24fe47e728364fa97ef",
      "alert_urgency_id": "1900ab79-059f-4eb0-bbe9-52cb089e8162",
      "created_at": "2025-11-06T13:18:26.053-08:00",
      "updated_at": "2025-11-06T13:18:32.054-08:00",
      "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": []
      }
    }
  }
}