Update phpunit/phpunit requirement from ^10.0.4 to ^11.5.2

Updates the requirements on [phpunit/phpunit](https://github.com/sebastianbergmann/phpunit) to permit the latest version.
- [Release notes](https://github.com/sebastianbergmann/phpunit/releases)
- [Changelog](https://github.com/sebastianbergmann/phpunit/blob/11.5.2/ChangeLog-11.5.md)
- [Commits](sebastianbergmann/phpunit@10.0.4...11.5.2)

---
updated-dependencies:
- dependency-name: phpunit/phpunit
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>

composer.json

@@ -20,7 +20,7 @@
         "php": "^8.1"
     },
     "require-dev": {
-        "phpunit/phpunit": "^10.0.4",
+        "phpunit/phpunit": "^11.5.2",
         "sebastian/comparator": ">=2.1.3",
         "friendsofphp/php-cs-fixer": "^3.0",
         "ilario-pierbattista/reverse-regex": "0.5.0",