Sets dashboard to user default

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

{
  "data": {
    "id": "e9c8a60c-fbe1-42e2-a02f-8d3176a6eac6",
    "type": "dashboards",
    "attributes": {
      "team_id": 154,
      "user_id": 125,
      "name": "Dashboard 10",
      "description": null,
      "slug": "dashboard-10",
      "public": false,
      "owner": "team",
      "range": "Last 30 Days",
      "period": "day",
      "color": "#FCF2CF",
      "icon": "📊",
      "auto_refresh": false,
      "updated_at": "2025-10-30T19:49:07.212-07:00",
      "created_at": "2025-10-30T19:49:07.212-07:00"
    },
    "relationships": {
      "panels": {
        "data": []
      }
    }
  }
}