* allow rails 7.1 * Update ci.yml * Create rails_7.1.gemfile * Update version.rb * update rubocop file * dev branch of active_attr * bye bye ruby 2.6 * updte rubocop * bye bye rails 4.2 * oups * we need this * one was missing * fix version check * ruby 3.0 only for rails 7.1 * rails 7.1 on ruby 3.1+ only * used released active_attr