chore(swagger): fix config

Author: smarcet

config/l5-swagger.php

@@ -250,7 +250,7 @@
          * Edit to trust the proxy's ip address - needed for AWS Load Balancer
          * string[]
          */
-        'proxy' => false,
+        'proxy' => env('L5_SWAGGER_PROXY', false),
 
         /*
          * Configs plugin allows to fetch external configs instead of passing them to SwaggerUIBundle.