Skip parameter to fix warnings

Reported: https://bugs.ruby-lang.org/issues/21003

Gemfile.devtools

@@ -15,5 +15,6 @@ end
 
 group :tools do
   gem "rubocop", "~> 1.69.2"
+  gem "readline"
   gem "byebug"
 end

lib/dry/validation/macros.rb

@@ -29,8 +29,8 @@ module Registrar
         # @see Macro
         #
         # @api public
-        def register_macro(name, ...)
-          macros.register(name, ...)
+        def register_macro(...)
+          macros.register(...)
           self
         end
       end

spec/spec_helper.rb

@@ -10,6 +10,8 @@
 rescue LoadError
 end
 
+Warning.process { |w| raise w }
+
 require "yaml"
 require "i18n"
 require "dry/validation"