feat: add Laravel 13 support

Update dependency constraints to support Laravel 13 alongside Laravel 12:
- illuminate/contracts: ^12.0 → ^12.0|^13.0
- orchestra/testbench: ^10.0 → ^10.0|^11.0
- larastan/larastan: ^v3.1 → ^v3.1 || ^v3.9.3

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: BJTheCod3r

composer.json

@@ -34,13 +34,13 @@
     "require": {
         "php": "8.2.*|8.3.*|8.4.*|8.5.*",
         "guzzlehttp/guzzle": "^7.8",
-        "illuminate/contracts": "^12.0",
+        "illuminate/contracts": "^12.0|^13.0",
         "symfony/psr-http-message-bridge": "^7.0"
     },
     "require-dev": {
         "laravel/pint": "^1.21",
-        "larastan/larastan": "^v3.1",
-        "orchestra/testbench": "^10.0",
+        "larastan/larastan": "^v3.1 || ^v3.9.3",
+        "orchestra/testbench": "^10.0|^11.0",
         "pestphp/pest": "^4.0",
         "phpstan/extension-installer": "^1.4",
         "phpstan/phpstan-deprecation-rules": "^2.0",