Delete an alert source

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

{
  "data": {
    "id": "b8b8d7f7-d029-4941-a1df-1c3169252612",
    "type": "alert_sources",
    "attributes": {
      "name": "Alert Source 20",
      "source_type": "datadog",
      "status": "setup_incomplete",
      "secret": "689f55ab76506060c2d628c72e64084c56a1aeaba058eb268103701b2cfb163a",
      "alert_urgency_id": "dc462b32-0560-48c1-9cdb-dfca48821745",
      "created_at": "2025-10-18T00:47:55.328-07:00",
      "updated_at": "2025-10-18T00:47:58.596-07:00",
      "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": []
      }
    }
  }
}