Added one more version for phpunit.

Author: kkomelin

composer.json

@@ -26,7 +26,7 @@
     },
     "require-dev": {
         "nunomaduro/larastan": "^1.0|^2.0|^3.0",
-        "phpunit/phpunit": "^9.0|^10.5|^12.0",
+        "phpunit/phpunit": "^9.0|^10.5|^11.5|^12.0",
         "orchestra/testbench": "^6.0|^7.0|^8.0|^9.0|^10.0"
     },
     "autoload": {