19c502b1-ls206

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