build(deps-dev): bump phpunit/phpunit from 11.5.3 to 11.5.5

Bumps [phpunit/phpunit](https://github.com/sebastianbergmann/phpunit) from 11.5.3 to 11.5.5.
- [Release notes](https://github.com/sebastianbergmann/phpunit/releases)
- [Changelog](https://github.com/sebastianbergmann/phpunit/blob/11.5.5/ChangeLog-11.5.md)
- [Commits](sebastianbergmann/phpunit@11.5.3...11.5.5)

---
updated-dependencies:
- dependency-name: phpunit/phpunit
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

composer.json

@@ -52,6 +52,6 @@
     "friendsofphp/php-cs-fixer": "^3.0",
     "psr/cache": "^3.0.0",
     "phpstan/phpstan": "^2.0.3",
-    "phpunit/phpunit": "11.5.3"
+    "phpunit/phpunit": "11.5.5"
   }
 }