Delete an alert group

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

{
  "data": {
    "id": "6388d726-f73a-479c-ac69-bcd8844c49a0",
    "type": "alert_groups",
    "attributes": {
      "name": "123 test group",
      "slug": "123-test-group",
      "description": null,
      "time_window": 10,
      "condition_type": "any",
      "deleted_at": "2025-07-21T23:13:28.094-07:00",
      "created_at": "2025-07-21T23:13:25.799-07:00",
      "updated_at": "2025-07-21T23:13:28.094-07:00",
      "group_by_alert_title": false,
      "group_by_alert_urgency": false,
      "targets": [],
      "attributes": []
    }
  }
}