invoiceninja/database/migrations/2021_09_02_115919_update_designs.php

<?php

use Illuminate\Database\Migrations\Migration;

class UpdateDesigns extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        \Illuminate\Support\Facades\Artisan::call('ninja:design-update');
    }

    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        //
    }
}