chore: update dependencies (#4012)

* chore: phpunit 10

* chore: config

* Apply fixes from StyleCI

* chore: phpunit 11 (php 8.2 minimum requirement)

* feat: laravel 11

* Apply fixes from StyleCI

* feat: carbon v3

* fixes

php-packages/testing/composer.json

@@ -10,7 +10,7 @@
     "require": {
         "ext-json": "*",
         "mockery/mockery": "^1.5",
-        "phpunit/phpunit": "^9.0"
+        "phpunit/phpunit": "^11.0"
     },
     "require-dev": {
         "flarum/core": "*@dev"