multimedia/plexmediaserver-plexpass: update to 1.32.0.6918

Changelog: https://forums.plex.tv/t/plex-media-server/30447/570

FIXED:
(Transcoder) Subtitle fonts for some languages were

missing on Linux and FreeBSD.

(Windows) Installing a TLS certificate could fail at

random.

PR: 270675
Reported by: Ben Shertenlieb <b.shertenlieb@yahoo.com> (maintainer)