bump to PHPUnit 13

Author: TomasVotruba

composer.json

@@ -26,7 +26,7 @@
         "phpstan/extension-installer": "^1.4.3",
         "phpstan/phpstan": "^2.1.36",
         "phpstan/phpstan-webmozart-assert": "^2.0",
-        "phpunit/phpunit": "^12.5",
+        "phpunit/phpunit": "^13.0",
         "rector/jack": "^0.5.1",
         "rector/swiss-knife": "^2.3.3",
         "tomasvotruba/class-leak": "^2.1"