Update to v4.1.2

.ruby-version

CHANGELOG.md

Dockerfile

Gemfile.lock

app/controllers/auth/registrations_controller.rb

app/controllers/backups_controller.rb

app/models/backup.rb

app/models/concerns/ldap_authenticable.rb

config/application.rb

config/initializers/chewy.rb

config/initializers/paperclip.rb

db/seeds.rb

lib/chewy/strategy/bypass_with_warning.rb

lib/mastodon/cli_helper.rb

lib/mastodon/version.rb