multimedia/plexmediaserver: Update to 1.31.1.6733

ChangeLog: https://forums.plex.tv/t/plex-media-server/30447/557

NEW:

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

FIXES:

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

PR: 269865
Reported by: b.shertenlieb@yahoo.com (maintainer)