Update composer.json

Author: RobiNN1

composer.json

@@ -30,7 +30,7 @@
   "require-dev": {
     "clue/phar-composer": "^1.4",
     "phpstan/phpstan": "^2.1",
-    "phpunit/phpunit": "^11|^12.3"
+    "phpunit/phpunit": "^11|^12.4"
   },
   "suggest": {
     "ext-apcu": "Required for the APCu dashboard.",