style(*): update style

- Update the anonymous class syntax in the `add_admin_to_users` migration to use parentheses instead of a space before the opening brace.
- This change ensures compatibility with newer versions of PHP.

database/migrations/2023_12_01_211507_add_admin_to_users.php

@@ -4,7 +4,7 @@ use Illuminate\Database\Migrations\Migration;
 use Illuminate\Database\Schema\Blueprint;
 use Illuminate\Support\Facades\Schema;
 
-return new class extends Migration {
+return new class () extends Migration {
     public function up(): void
     {
         Schema::table('users', function (Blueprint $table) {