Bump phpunit/phpunit from 9.6.20 to 11.4.0

Bumps [phpunit/phpunit](https://github.com/sebastianbergmann/phpunit) from 9.6.20 to 11.4.0.
- [Release notes](https://github.com/sebastianbergmann/phpunit/releases)
- [Changelog](https://github.com/sebastianbergmann/phpunit/blob/11.4.0/ChangeLog-11.4.md)
- [Commits](sebastianbergmann/phpunit@9.6.20...11.4.0)

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

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

composer.json

@@ -28,7 +28,7 @@
     "require-dev": {
         "phalcon/ide-stubs": "^5.8",
         "phpstan/phpstan": "^1.11",
-        "phpunit/phpunit": "^9.6",
+        "phpunit/phpunit": "^11.4",
         "squizlabs/php_codesniffer": "^3.10"
     },
     "config": {