multimedia/plexmediaserver: Update to 1.31.1.6782

ChangeLog: https://forums.plex.tv/t/plex-media-server/30447/560

NEW:

• Adds support for the Extend multi-episode format i.e. S01E01-02
• Attempt to automatically detect improperly tagged forced streams based on their titles
• Provide clients with the number of non-Specials seasons for display when browsing
• Updated to 4.100.1
• Add Ukrainian translations.
• Updated translations.

FIXES:

• Photos timeline - duplicated items or incorrect dates
• Detection could fail with certain video codecs
• Limit thread concurrency for first stage of detection
• The detection could timeout and fail on low powered devices.
• Fix assignment of final marker attribute
• Library creation could fail during set up
• Detection wouldn’t proceed if background transcodes were paused
• When shuffling smart playlists with limits, the track selection could be incorrect.
• Hardware decoding using Nvidia GPUs could fail with certain driver versions

PR: 270066
Reported by: b.shertenlieb@yahoo.com (maintainer)