Bump phpunit/phpunit from 11.5.43 to 11.5.50 (#190)

Bumps [phpunit/phpunit](https://github.com/sebastianbergmann/phpunit) from 11.5.43 to 11.5.50.
- [Release notes](https://github.com/sebastianbergmann/phpunit/releases)
- [Changelog](https://github.com/sebastianbergmann/phpunit/blob/11.5.50/ChangeLog-11.5.md)
- [Commits](sebastianbergmann/phpunit@11.5.43...11.5.50)

---
updated-dependencies:
- dependency-name: phpunit/phpunit
  dependency-version: 11.5.50
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

composer.json

@@ -53,7 +53,7 @@
         "friendsofphp/php-cs-fixer": "3.89.2",
         "phing/phing": "3.1.0",
         "phpstan/phpstan": "2.1.32",
-        "phpunit/phpunit": "11.5.43",
+        "phpunit/phpunit": "11.5.50",
         "rector/rector": "2.2.7",
         "squizlabs/php_codesniffer": "4.0.1",
         "vimeo/psalm": "6.5.0"