Update phpunit/phpunit requirement from ^10.0 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@10.0.0...11.2.6)

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

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

composer.json

@@ -15,7 +15,7 @@
         "orchestra/testbench": "^8.0 || ^9.0",
         "php-parallel-lint/php-parallel-lint": "^1.3",
         "phpstan/phpstan": "^1",
-        "phpunit/phpunit": "^10.0",
+        "phpunit/phpunit": "^11.2",
         "squizlabs/php_codesniffer": "^3.6"
     },
     "autoload": {