Fix testing by requiring lowest Laravel v11.23, as defer() was only introduced at that point

Author: onlime

composer.json

@@ -15,9 +15,9 @@
     ],
     "require": {
         "php": "^8.2",
-        "illuminate/support": "^11.0||^12.0",
-        "illuminate/filesystem": "^11.0||^12.0",
-        "illuminate/container": "^11.0||^12.0"
+        "illuminate/support": "^11.23||^12.0",
+        "illuminate/filesystem": "^11.23||^12.0",
+        "illuminate/container": "^11.23||^12.0"
     },
     "require-dev": {
         "laravel/pint": "^1.22",