Merge branch '363424-package-group-settings-side-by-side-layout-mvc-2' into 'master'

...ascripts/packages_and_registries/settings/group/bundle.js

...s/settings/group/components/dependency_proxy_settings.vue

...egistries/settings/group/components/packages_settings.vue

...kages_and_registries/shared/components/settings_block.vue

app/assets/stylesheets/pages/settings.scss

...ws/groups/settings/packages_and_registries/show.html.haml

.../features/groups/settings/packages_and_registries_spec.rb

...ttings/group/components/dependency_proxy_settings_spec.js

...ries/settings/group/components/group_settings_app_spec.js

...stries/settings/group/components/package_settings_spec.js

...s_and_registries/shared/components/settings_block_spec.js