Require phpunit that is compatible with php 8.1

Author: carloscarucce

composer.json

@@ -27,7 +27,7 @@
     "webdevcave/simple-cache": "^1.0"
   },
   "require-dev": {
-    "phpunit/phpunit": "^11"
+    "phpunit/phpunit": "^10"
   },
   "scripts": {
     "test": "./vendor/bin/phpunit ./tests"