config.ru in devise-security-0.18.0

- old
+ new

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
 # This file is used by Rack-based servers to start the application.
 
-require ::File.expand_path('../config/environment', __FILE__)
+require ::File.expand_path('config/environment', __dir__)
 run RailsApp::Application