Bump phpunit/phpunit from 9.5.19 to 9.5.23

Bumps [phpunit/phpunit](https://github.com/sebastianbergmann/phpunit) from 9.5.19 to 9.5.23.
- [Release notes](https://github.com/sebastianbergmann/phpunit/releases)
- [Changelog](https://github.com/sebastianbergmann/phpunit/blob/main/ChangeLog-9.5.md)
- [Commits](sebastianbergmann/phpunit@9.5.19...9.5.23)

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

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

Author: dependabot[bot]

composer.json

@@ -25,7 +25,7 @@
         "infection/infection": "^0.26.6",
         "phpstan/phpstan": "^1.5.2",
         "phpstan/phpstan-strict-rules": "^1.4",
-        "phpunit/phpunit": "^9.5.19",
+        "phpunit/phpunit": "^9.5.23",
         "vimeo/psalm": "^4.22.0"
     },
     "autoload": {