Upgrade from Rails 8.0 to Rails 8.1 defaults

Author: larouxn

config/application.rb

@@ -28,7 +28,7 @@
 
 module Gemcutter
   class Application < Rails::Application
-    config.load_defaults 8.0
+    config.load_defaults 8.1
 
     # Please, add to the `ignore` list any other `lib` subdirectories that do
     # not contain `.rb` files, or that should not be reloaded or eager loaded.