Update phpunit/phpunit requirement from ^9.5 to ^11.2

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/11.2.6/ChangeLog-11.2.md)
- [Commits](sebastianbergmann/phpunit@9.5.0...11.2.6)

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

Signed-off-by: dependabot[bot] <support@github.com>

composer.json

@@ -93,7 +93,7 @@
         "codeception/module-cli": "^2.0",
         "codeception/module-phpbrowser": "^3.0",
         "maglnet/composer-require-checker": "^4.5",
-        "phpunit/phpunit": "^9.5",
+        "phpunit/phpunit": "^11.2",
         "rector/rector": "^1.0.0",
         "roave/infection-static-analysis-plugin": "^1.34",
         "roave/security-advisories": "dev-master",