remove PHPUnit 12 depre

Author: TomasVotruba

tests/Config/RectorConfigTest.php

@@ -4,14 +4,12 @@
 
 namespace Rector\Tests\Config;
 
-use PHPUnit\Framework\Attributes\RunClassInSeparateProcess;
 use Rector\Configuration\Option;
 use Rector\Configuration\Parameter\SimpleParameterProvider;
 use Rector\Symfony\Set\TwigSetList;
 use Rector\Testing\PHPUnit\AbstractLazyTestCase;
 use Rector\TypeDeclaration\Rector\ClassMethod\ReturnTypeFromReturnNewRector;
 
-#[RunClassInSeparateProcess]
 final class RectorConfigTest extends AbstractLazyTestCase
 {
     public function test(): void