Update requests.md (laravel#7227)

laravel/laravel@b6f4ee7

requests.md

@@ -477,7 +477,7 @@ To solve this, you may use the `App\Http\Middleware\TrustProxies` middleware tha
 
     namespace App\Http\Middleware;
 
-    use Fideloper\Proxy\TrustProxies as Middleware;
+    use Illuminate\Http\Middleware\TrustProxies as Middleware;
     use Illuminate\Http\Request;
 
     class TrustProxies extends Middleware