Preparing for 8.0.0.alpha5 release

Gemfile.lock

RAILS_VERSION

actioncable/CHANGELOG.md

actioncable/lib/action_cable/gem_version.rb

actioncable/package.json

actionmailbox/CHANGELOG.md

actionmailbox/lib/action_mailbox/gem_version.rb

actionmailer/CHANGELOG.md

actionmailer/lib/action_mailer/gem_version.rb

actionpack/CHANGELOG.md

actionpack/lib/action_pack/gem_version.rb

actiontext/CHANGELOG.md

actiontext/lib/action_text/gem_version.rb

actiontext/package.json

actionview/CHANGELOG.md

actionview/lib/action_view/gem_version.rb

activejob/CHANGELOG.md

activejob/lib/active_job/gem_version.rb

activemodel/CHANGELOG.md

activemodel/lib/active_model/gem_version.rb