multimedia/emby-server: Update to 4.4.3.0

From ChangeLog:
https://github.com/MediaBrowser/Emby.Releases/releases/tag/4.4.3.0

• Improve performance of live tv guide
• Fix movie extras with multi-version videos
• Fix adding playlist to playlist
• Improve cleanup of missing episodes
• Fix rotation of dynamic images
• Fix manual metadata edits of extras getting lost
• Fix active sessions filter
• Work around a bug in MSDK where VPP processing hangs under certain conditions
• Fix qsv color conversion: Older devices 3,4 and 5th gen CPUs do not support 10bit and the color conversion cannot be done in hardware
• Ignore unsupported subtitle formats when searching for downloads
• Convert downloaded txt subtitles to srt
• Don't extract thumbnails for extras
• Improve display language of manual image downloading
• Deactivate GraphRunner debug messages

PR: 246868
Submitted by: driesm.michiels@gmail.com (maintainer)