Update to v4.2.4

.bundler-audit.yml

.ruby-version

CHANGELOG.md

Dockerfile

Gemfile.lock

app/controllers/api/v1/accounts/notes_controller.rb

app/controllers/api/v1/accounts/pins_controller.rb

app/controllers/api/v1/accounts/relationships_controller.rb

app/controllers/api/v1/accounts_controller.rb

app/controllers/api/v1/follow_requests_controller.rb

app/controllers/api/v1/streaming_controller.rb

app/controllers/auth/sessions_controller.rb

app/controllers/concerns/signature_verification.rb

...controllers/concerns/two_factor_authentication_concern.rb

app/controllers/relationships_controller.rb

app/helpers/jsonld_helper.rb

...mastodon/features/compose/components/text_icon_button.jsx

app/javascript/mastodon/features/explore/statuses.jsx

app/javascript/mastodon/features/list_timeline/index.jsx

app/javascript/styles/mastodon/components.scss