CE-33708: Updated PHPUnit to v9.4.4

Author: bohdan-harniuk

composer.json

@@ -89,7 +89,7 @@
         "phpcompatibility/php-compatibility": "^9.3",
         "phpmd/phpmd": "^2.9.1",
         "phpstan/phpstan": "^0.12.77",
-        "phpunit/phpunit": "9.3.0",
+        "phpunit/phpunit": "~9.4.0",
         "sebastian/phpcpd": "^6.0.3",
         "squizlabs/php_codesniffer": "~3.5.4",
         "symfony/finder": "^5.2"