Add Laravel 10 and 11 support

- Update illuminate/support constraint to ^9.0|^10.0|^11.0
- Update phpunit constraint to support newer versions

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

composer.json

@@ -36,11 +36,11 @@
     "type": "library",
     "require": {
         "php": "^8.1",
-        "illuminate/support": "^9.0"
+        "illuminate/support": "^9.0|^10.0|^11.0"
     },
     "require-dev": {
         "mockery/mockery": "^1.4.4",
-        "phpunit/phpunit": "^9.5.10"
+        "phpunit/phpunit": "^9.5.10|^10.0|^11.0"
     },
     "autoload": {
         "psr-4": {