Delete an alert source

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

{
  "data": {
    "id": "57a1e8d7-6adb-462d-9496-6c7c58cfbadd",
    "type": "alert_sources",
    "attributes": {
      "name": "Alert Source 7",
      "source_type": "datadog",
      "status": "setup_incomplete",
      "secret": "b7ca2885f6d47f89ebe7beb7e213db20b80999852a606fe3ba4fe22348cc690c",
      "alert_urgency_id": "81581d92-2ac7-4f89-8f94-bc1cef024705",
      "created_at": "2025-09-14T17:27:24.383-07:00",
      "updated_at": "2025-09-14T17:27:28.079-07:00",
      "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": []
      }
    }
  }
}