multimedia/plexmediaserver: Update to 1.27.1.5916

Changelog:

• (Database) Fix an issue where re-migrating a database could fail after downgrading, interrupting the server startup process, then immediately re-upgrading (#13643)
• (Library) When media was deleted it could leave behind its sidecar files (#13479)
• (Music) Album year and date fields could differ when preferring local

metadata (#13591)

• (Transcoder) Audio could drop out partway through playback when remuxing videos with very long keyframe intervals to DASH (#13411)

Full Changelog: https://forums.plex.tv/t/plex-media-server/30447/514

PR: 264881