Headers: Disable Upgrade-Insecure-Requests in development.

Author: stefansundin

config/initializers/10-secure_headers.rb

@@ -30,6 +30,7 @@
       script_src: %w('unsafe-inline'),
       style_src: %w('unsafe-inline'),
       connect_src: %w('self'),
+      upgrade_insecure_requests: false,
     })
   end
 end