Sana-Chan Version 4.4.0 Official

Version 4.4.0 promotes the current Sana-Chan experimental line to a live official release for production servers.

Live Release Focus

promotes the stable dashboard, bot, installer, updater, and service rename work from the 4.3.x experimental builds
includes the improved Sana updater with accurate installed-version reporting and post-update health retries
includes dashboard moderation polish, removal reason defaults, submission-channel cleanup, and admin settings fixes
keeps live Linux update commands on sana-update / sanachan-update and Sana service names
publishes fresh Linux, Windows, Android, updater, systemd, and Nginx release assets