Delete an alert source

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

{
  "data": {
    "id": "2302e4d9-73e8-48a1-9d57-1611688fe097",
    "type": "alert_sources",
    "attributes": {
      "name": "Alert Source 4",
      "source_type": "datadog",
      "status": "setup_incomplete",
      "secret": "ebf71dda6fa76b60a3a0ad422f8bd49c19d9db81c7afad43525672cfbdca7c40",
      "alert_urgency_id": "af0f43fe-0dcc-4940-9c09-8575c2788613",
      "created_at": "2025-08-11T20:40:14.413-07:00",
      "updated_at": "2025-08-11T20:40:18.281-07:00",
      "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": []
      }
    }
  }
}