Update ruby_http_client.rb

Author: StanislavBerkovich

lib/ruby_http_client.rb

@@ -215,7 +215,7 @@ def _(name = nil)
       url_path = name ? @url_path + [name] : @url_path
       Client.new(host: @host, request_headers: @request_headers,
                  version: @version, url_path: url_path,
-                 http_options: @http_options)
+                 http_options: @http_options, proxy_options: @proxy_options)
     end
 
     # Dynamically add segments to the url, then call a method.