Update phpunit/phpunit requirement from ^10.2 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@10.2.0...11.2.6)

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

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

composer.json

@@ -17,7 +17,7 @@
     },
     "require-dev": {
         "maglnet/composer-require-checker": "^4.6",
-        "phpunit/phpunit": "^10.2",
+        "phpunit/phpunit": "^11.2",
         "yii2-extensions/phpstan": "dev-main"
     },
     "autoload": {