Update Laravel to v6

app/Http/Middleware/TrustProxies.php

@@ -2,22 +2,22 @@
 
 namespace App\Http\Middleware;
 
-use Illuminate\Http\Request;
 use Fideloper\Proxy\TrustProxies as Middleware;
+use Illuminate\Http\Request;
 
 class TrustProxies extends Middleware
 {
     /**
      * The trusted proxies for this application.
      *
-     * @var array
+     * @var array|string
      */
     protected $proxies;
 
     /**
      * The header that should be used to detect proxies.
      *
-     * @var string
+     * @var int
      */
     protected $headers = Request::HEADER_X_FORWARDED_ALL;
 }