chore: upgrade phpunit to 12.5

tests/Form/AutosizeTextareaTypeTest.php

@@ -14,6 +14,7 @@ use Symfony\Component\Form\Test\TypeTestCase;
  * The rows attribute is deliberately not part of it: textarea_autosize_controller.js
  * overwrites rows on connect, which is why the floor travels as min_rows instead.
  */
+#[\PHPUnit\Framework\Attributes\AllowMockObjectsWithoutExpectations]
 class AutosizeTextareaTypeTest extends TypeTestCase
 {
     public function testTheControllerAndItsResizeActionAreWiredUp(): void