Bump phpunit/phpunit from 9.6.21 to 11.4.3

Bumps [phpunit/phpunit](https://github.com/sebastianbergmann/phpunit) from 9.6.21 to 11.4.3.
- [Release notes](https://github.com/sebastianbergmann/phpunit/releases)
- [Changelog](https://github.com/sebastianbergmann/phpunit/blob/11.4.3/ChangeLog-11.4.md)
- [Commits](sebastianbergmann/phpunit@9.6.21...11.4.3)

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

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

Author: dependabot[bot]

composer.json

@@ -25,7 +25,7 @@
         "squizlabs/php_codesniffer": "^3.6",
         "thecodingmachine/phpstan-safe-rule": "^1.2",
         "phpstan/extension-installer": "^1.3",
-        "phpunit/phpunit": "^9.5",
+        "phpunit/phpunit": "^11.4",
         "phpstan/phpstan-phpunit": "^1.3"
     },
     "config": {