Include requested URL into the message on network errors (#4945)

app/lib/request.rb

@@ -31,6 +31,8 @@ class Request
 
   def perform
     http_client.headers(headers).public_send(@verb, @url.to_s, @options)
+  rescue => e
+    raise e.class, "#{e.message} on #{@url}"
   end
 
   def headers