Tweak rubocop config
Tweak rubocop config

Otherwise I don't know how `proceed?` accessor and `proceed` set in
command_processor.rb can meet rubocop expectations.

ozydingo/byebug,guilherme/byebug,saisai/byebug,webdev1001/byebug,miamiruby/byebug,miamiruby/byebug,k0kubun/byebug,icebreaker/byebug,os97673/byebug,guilherme/byebug,deivid-rodriguez/byebug,yui-knk/byebug,icebreaker/byebug,yui-knk/byebug,saisai/byebug,guilherme/byebug,os97673/byebug,scalp42/byebug,deivid-rodriguez/byebug,webdev1001/byebug,deivid-rodriguez/byebug,k0kubun/byebug,ozydingo/byebug,yui-knk/byebug,k0kubun/byebug,scalp42/byebug