[9.x] Uses laravel/pint for styling (#5945)

* Uses `laravel/pint` for styling

* Makes `.styleci.yml` ignored on export

* Update composer.json

Co-authored-by: Dries Vints <dries@vints.io>

database/seeders/DatabaseSeeder.php

@@ -2,7 +2,7 @@
 
 namespace Database\Seeders;
 
-use Illuminate\Database\Console\Seeds\WithoutModelEvents;
+// use Illuminate\Database\Console\Seeds\WithoutModelEvents;
 use Illuminate\Database\Seeder;
 
 class DatabaseSeeder extends Seeder