Update dependency phpunit/phpunit to v13

| datasource | package         | from    | to     |
| ---------- | --------------- | ------- | ------ |
| packagist  | phpunit/phpunit | 12.5.31 | 13.2.4 |

Author: renovate[bot]

composer.json

@@ -41,7 +41,7 @@
         "php-standard-library/phpstan-extension": "^2.0.3",
         "php-standard-library/psalm-plugin": "^2.3",
         "phpstan/phpstan": "^2.1.40",
-        "phpunit/phpunit": "^12.5.14",
+        "phpunit/phpunit": "^13.2.4",
         "psalm/plugin-phpunit": "^0.19.5",
         "roave/infection-static-analysis-plugin": "^1.43.0",
         "spatie/temporary-directory": "^2.3.1",