Delete an alert source

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

{
  "data": {
    "id": "d0e58855-53bc-42e8-bce5-7442886f4bfa",
    "type": "alert_sources",
    "attributes": {
      "name": "Alert Source 7",
      "source_type": "datadog",
      "status": "setup_incomplete",
      "secret": "3a28e4d11b415f3cc520517236a829a6f7d4dd7aaec6b975ad0f5bf4b4c99ff3",
      "alert_urgency_id": "d5e50fbf-f839-4f06-82d7-b57b0d481370",
      "created_at": "2025-10-04T16:05:14.519-07:00",
      "updated_at": "2025-10-04T16:05:18.447-07:00",
      "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": []
      }
    }
  }
}