qbittorrent: updated to 4.2.3

v4.2.3
- FEATURE: Add logging for SOCKS5 proxy errors
- FEATURE: Add UPnP lease duration advanced option
- BUGFIX: Allow to translate error messages
- BUGFIX: Don't round scaling factor
- BUGFIX: Save log file in UTF-8 encoding
- BUGFIX: Avoid log file excessive flushing
- BUGFIX: Fix regression when fastresume contains network path
- BUGFIX: Fix broken UNC paths in fastresumes on Windows
- BUGFIX: Prevent multiple instances for the same app config
- BUGFIX: Fix unexpected torrent resume after app restart with libtorrent 1.1.x
- WEBUI: Add alt and title tags for WebUI footer
- WINDOWS: Installer: Update Finnish translation
- WINDOWS: Installer: Update Japanese translation
- WINDOWS: Installer: Update Turkish translation
- WINDOWS: Installer: Update Russian translation

(adam)