composer(deps-dev): bump phpunit/phpunit from 9.2.6 to 9.5.2

Bumps [phpunit/phpunit](https://github.com/sebastianbergmann/phpunit) from 9.2.6 to 9.5.2.
- [Release notes](https://github.com/sebastianbergmann/phpunit/releases)
- [Changelog](https://github.com/sebastianbergmann/phpunit/blob/master/ChangeLog-9.5.md)
- [Commits](sebastianbergmann/phpunit@9.2.6...9.5.2)

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

composer.json

@@ -25,7 +25,7 @@
     "phpstan/phpstan-deprecation-rules": "~0.12.6",
     "phpstan/phpstan-phpunit": "~0.12.17",
     "phpstan/phpstan-strict-rules": "~0.12.9",
-    "phpunit/phpunit": "~9.2.6",
+    "phpunit/phpunit": "~9.5.2",
     "psalm/plugin-phpunit": "~0.15.1",
     "vimeo/psalm": "^4.5.1"
   },