multimedia/plexmediaserver: Update to 1.32.6.7557

ChangeLog: https://forums.plex.tv/t/plex-media-server/30447/602

NEW:

• (TerraMaster) Improve multi-volume support when adding folders to libraries.
• (Transcoder) Enable hardware transcoding by default where available

FIXES:

• (Hubs) User could order a hub before Continue Watching hub
• (Library) In some cases, media item presence and accessibility could fail to be reported
• (Metadata) Items could lose metadata if a refresh request failed due to a network failure
• (Photos) Autotag data was not visible even if photos had pre-existing autotags
• (Photos) Places filter was not visible even if photos had pre-existing place data
• (Preferences) Adjust library section preference text for intro and credits detection
• (Scanner) Episodes with absolute numbering of 264 and 265 could get ignored
• (Security) Certain requests could trigger unwanted notifications

PR: 274144
Reported by: b.shertenlieb@yahoo.com (maintainer)