LinuxServer Changes:
Rebase to Alpine 3.19.
tvheadend Changes:
intl: Translate intl/docs/tvheadend.doc.pot in pl
98% of minimum 80% translated source file: 'intl/docs/tvheadend.doc.pot'
on 'pl'.
Sync of partially translated files:
untranslated content is included with an empty translation
or source language content depending on file format