feat: adds phpunit 12.2.1 support

tests/Features/Covers/CoversNothing.php

@@ -0,0 +1,10 @@
+<?php
+
+use PHPUnit\Framework\Attributes\CoversNothing;
+
+it('uses the correct PHPUnit attribute for covers nothing', function () {
+    $attributes = (new ReflectionMethod($this, $this->name()))->getAttributes();
+
+    expect($attributes[2]->getName())->toBe(CoversNothing::class);
+    expect($attributes[2]->getArguments())->toHaveCount(0);
+})->coversNothing();