Update dependency phpunit/phpunit to v13

| datasource | package         | from    | to      |
| ---------- | --------------- | ------- | ------- |
| packagist  | phpunit/phpunit | 11.5.55 | 13.1.11 |


Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

composer.json

@@ -36,7 +36,7 @@
         "laminas/laminas-eventmanager": "^3.6.0",
         "laminas/laminas-stdlib": "^3.15.0",
         "php-mock/php-mock-phpunit": "^2.14.0",
-        "phpunit/phpunit": "^11.5.55",
+        "phpunit/phpunit": "^13.0.0",
         "psalm/plugin-phpunit": "^0.19.5",
         "symfony/console": "^6.0 || ^7.0",
         "symfony/filesystem": "^6.0 || ^7.0",