Update dependency phpunit/phpunit to ^13.0.6

| datasource | package         | from   | to     |
| ---------- | --------------- | ------ | ------ |
| packagist  | phpunit/phpunit | 13.0.5 | 13.0.6 |

Author: renovate[bot]

composer.json

@@ -17,7 +17,7 @@
         "phpstan/phpstan": "^2.1.45",
         "phpstan/phpstan-phpunit": "^2.0.16",
         "phpstan/phpstan-strict-rules": "^2.0.10",
-        "phpunit/phpunit": "^13.0.5",
+        "phpunit/phpunit": "^13.0.6",
         "slam/php-cs-fixer-extensions": "^3.15.0",
         "symfony/console": "^8.0.7"
     },