Update dependency phpunit/phpunit to ^13.1.0

| datasource | package         | from   | to     |
| ---------- | --------------- | ------ | ------ |
| packagist  | phpunit/phpunit | 13.0.6 | 13.1.0 |

Author: renovate[bot]

composer.json

@@ -19,7 +19,7 @@
         "nette/neon": "^3.4.7",
         "nikic/php-parser": "^4.19.2 || ^5.6.2",
         "phpstan/phpstan-phpunit": "^2.0.16",
-        "phpunit/phpunit": "^13.0.6",
+        "phpunit/phpunit": "^13.1.0",
         "slam/php-cs-fixer-extensions": "^3.15.0"
     },
     "autoload": {