Add support for Laravel 13

- Allow illuminate/contracts ^13.0
- Allow orchestra/testbench ^11.0 and Pest 4 (with plugins) for dev
- Add Laravel 13 to the CI test matrix
- Update requirements in README

composer.json

@@ -19,16 +19,16 @@
     "require": {
         "php": "^8.3",
         "spatie/laravel-package-tools": "^1.16",
-        "illuminate/contracts": "^11.0||^12.0"
+        "illuminate/contracts": "^11.0||^12.0||^13.0"
     },
     "require-dev": {
         "laravel/pint": "^1.14",
         "nunomaduro/collision": "^8.1",
         "larastan/larastan": "^3.0",
-        "orchestra/testbench": "^9.0||^10.0",
-        "pestphp/pest": "^3.0",
-        "pestphp/pest-plugin-arch": "^3.0",
-        "pestphp/pest-plugin-laravel": "^3.0",
+        "orchestra/testbench": "^9.0||^10.0||^11.0",
+        "pestphp/pest": "^3.0||^4.0",
+        "pestphp/pest-plugin-arch": "^3.0||^4.0",
+        "pestphp/pest-plugin-laravel": "^3.0||^4.0",
         "phpstan/extension-installer": "^1.3",
         "phpstan/phpstan-deprecation-rules": "^2.0",
         "phpstan/phpstan-phpunit": "^2.0",