dep: update required phpunit version

Author: inhere

composer.json

@@ -30,7 +30,7 @@
     "toolkit/sys-utils": "~2.0"
   },
   "require-dev": {
-    "phpunit/phpunit": "^9.1"
+    "phpunit/phpunit": "^10.0"
   },
   "autoload": {
     "psr-4": {