Using rule object in AutoCRUD schema config causing config:cache not working

[uyab]

How to reproduce

1. Define AutoCRUD schema:
2. Jalankan php artisan config:cache

<?php

return [
    'label' => 'Company',
    'model' => \App\Models\Company::class,
    'table' => \App\Http\Livewire\Table\CompanyTable::class,
    'schema' => [
        [
            'name' => 'name',
            'type' => 'text',
            'label' => 'Company Name',
            'limit' => 4,
            'rules' => ['required', \Illuminate\Validation\Rule::unique('companies')],
        ],
        [
            'field' => '',
            'type' => \Laravolt\Fields\Field::BUTTON,
            'label' => 'Settings',
            'icon' => 'settings',
            'show_on_index' => true,
            'show_on_detail' => false,
            'show_on_create' => false,
            'show_on_edit' => false,
        ],
    ],
];

Ekspektasi
No error

Realita/Screenshots

   LogicException

  Your configuration files are not serializable.

  at vendor/laravel/framework/src/Illuminate/Foundation/Console/ConfigCacheCommand.php:82
     78▕             require $configPath;
     79▕         } catch (Throwable $e) {
     80▕             $this->files->delete($configPath);
     81▕
  ➜  82▕             throw new LogicException('Your configuration files are not serializable.', 0, $e);
     83▕         }
     84▕
     85▕         $this->info('Configuration cached successfully.');
     86▕     }

  1   bootstrap/cache/config.php:595
      Error::("Call to undefined method Illuminate\Validation\Rules\Unique::__set_state()")

      +25 vendor frames
  27  artisan:37
      Illuminate\Foundation\Console\Kernel::handle(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))