fix: make rubocop happy

Author: joelmoss

lib/spaced.rb

@@ -14,7 +14,7 @@ class Base
   end
 
   module ClassMethods
-    def namespace(name, klass = nil, &block) # rubocop:disable Metrics/*
+    def namespace(name, klass = nil, &block) # rubocop:disable Metrics,Naming/BlockForwarding,Lint/UnusedMethodArgument
       if klass
         raise "#{klass} must be a subclass of Spaced::Base" unless klass < Spaced::Base
       else