[Docs] Include Laravel 11 example in exceptions.md (#2768)

* include a documentation for customizing  exception in laravel 11

---------

Co-authored-by: Chris Brown <code@drbyte.dev>

docs/advanced-usage/exceptions.md

@@ -3,14 +3,14 @@ title: Exceptions
 weight: 3
 ---
 
-If you need to override exceptions thrown by this package, you can simply use normal [Laravel practices for handling exceptions](https://laravel.com/docs/10.x/errors#rendering-exceptions).
+If you need to override exceptions thrown by this package, you can simply use normal [Laravel practices for handling exceptions](https://laravel.com/docs/errors#rendering-exceptions).
 
 An example is shown below for your convenience, but nothing here is specific to this package other than the name of the exception.
 
 You can find all the exceptions added by this package in the code here: [https://github.com/spatie/laravel-permission/tree/main/src/Exceptions](https://github.com/spatie/laravel-permission/tree/main/src/Exceptions)
 
 
-**app/Exceptions/Handler.php**
+**Laravel 10: app/Exceptions/Handler.php**
 ```php
 
 public function register()
@@ -23,3 +23,16 @@ public function register()
     });
 }
 ```
+
+**Laravel 11: bootstrap/app.php**
+```php
+
+->withExceptions(function (Exceptions $exceptions) {
+    $exceptions->render(function (\Spatie\Permission\Exceptions\UnauthorizedException $e, $request) {
+        return response()->json([
+            'responseMessage' => 'You do not have the required authorization.',
+            'responseStatus'  => 403,
+        ]);
+    });
+}
+```