Update PHPUnit dependency version in composer.json

The PHPUnit version constraint in composer.json has been updated to "^8.5.40 || ^9.5" from "^8.5.24 || ^9.5" to ensure compatibility with recent bug fixes and improvements. This change will help maintain the stability and reliability of the development and testing environment.

Author: koriym

composer.json

@@ -19,7 +19,7 @@
     },
     "require-dev": {
         "ext-pdo": "*",
-        "phpunit/phpunit": "^8.5.24 || ^9.5",
+        "phpunit/phpunit": "^8.5.40 || ^9.5",
         "bamarni/composer-bin-plugin": "^1.4"
     },
     "config": {