Add noopener and/or noreferrer (#12202)

app/javascript/mastodon/components/attachment_list.js

app/javascript/mastodon/components/dropdown_menu.js

app/javascript/mastodon/components/error_boundary.js

app/javascript/mastodon/components/media_gallery.js

app/javascript/mastodon/components/status.js

app/javascript/mastodon/components/status_content.js

...javascript/mastodon/features/account/components/header.js

...astodon/features/account_gallery/components/media_item.js

app/javascript/mastodon/features/status/components/card.js

...pt/mastodon/features/status/components/detailed_status.js

...vascript/mastodon/features/ui/components/actions_modal.js

...javascript/mastodon/features/ui/components/boost_modal.js

...javascript/mastodon/features/ui/components/link_footer.js

app/lib/formatter.rb

app/lib/sanitize_config.rb

app/views/about/show.html.haml

app/views/accounts/_moved.html.haml

app/views/admin/reports/_status.html.haml

app/views/admin/tags/show.html.haml

app/views/application/_card.html.haml