[LyX/2.3.x] Update ja.po from Koji.

[Pavel Sanda]

commit e3fe833652c9c3c4fdc83cc6d8d6397615051880
Author: Pavel Sanda <sanda at lyx.org>
Date:   Wed Dec 28 23:18:07 2022 +0100

    Update ja.po from Koji.

 po/ja.po | 4833 +++++++++++++++++++++++++++++---------------------------------
 1 files changed, 2266 insertions(+), 2567 deletions(-)