General changes:
- Updated Day.js translations.
- Updated Flarum core translations.
- Updated validation translations.
Added support for new extensions:
acpl/mobile-tab
afrux/forum-stats-widget
afrux/online-users-widget
afrux/top-posters-widget
antoinefr/flarum-ext-online
askvortsov/flarum-categories
askvortsov/flarum-checklist
askvortsov/flarum-markdown-tables
askvortsov/flarum-rich-text
blomstra/mark-unread
blomstra/sort-order-toggle
cadiducho/bbcode
clarkwinkelmann/flarum-ext-author-change
clarkwinkelmann/flarum-ext-emojionearea
clarkwinkelmann/flarum-ext-ipsum-autocomplete
datlechin/flarum-copy-links
datlechin/flarum-landing-page
datlechin/flarum-offline-indicator
datlechin/flarum-remove-sidenav
datlechin/flarum-signup-button
datlechin/flarum-silent-edit
davwheat/custom-sidenav-links
flarum/akismet
flarum/approval
flarum/bbcode
flarum/emoji
flarum/extension-manager
flarum/flags
flarum/likes
flarum/lock
flarum/markdown
flarum/mentions
flarum/nicknames
flarum/pusher
flarum/statistics
flarum/sticky
flarum/subscriptions
flarum/suspend
flarum/tags
fof/analytics
fof/best-answer
fof/byobu
fof/cookie-consent
fof/custom-footer
fof/default-group
fof/discussion-thumbnail
fof/disposable-emails
fof/drafts
fof/follow-tags
fof/formatting
fof/forum-statistics-widget
fof/html-errors
fof/impersonate
fof/linguist
fof/links
fof/merge-discussions
fof/moderator-notes
fof/nightmode
fof/pages
fof/polls
fof/profile-image-crop
fof/reactions
fof/recaptcha
fof/share-social
fof/socialprofile
fof/split
fof/subscribed
fof/terms
fof/upload
fof/user-bio
fof/user-directory
justoverclock/discussion-hero-showtags
justoverclock/flarum-ext-hashtag
justoverclock/website-live-screenshot
katosdev/signature
matteociaroni/flarum-public-suspensions
michaelbelgium/flarum-discussion-views
nearata/flarum-ext-copy-code-to-clipboard
nearata/flarum-ext-signup-confirm-password
sycho/flarum-profile-cover
the-turk/flarum-flamoji
v17development/flarum-blog
v17development/flarum-seo
webbinaro/flarum-calendar
zerosonesfun-bbcode-button