[LyX/2.4.x] Updating ja.po

[Koji Yokota]

commit 0dcb0c0694918c1e7bbd71711cce5b014026bc81
Author: Koji Yokota <yokota at lyx.org>
Date:   Wed Jun 26 14:48:48 2024 +0900

    Updating ja.po

 po/ja.po | 847 +++++++++++++++++++++++++++------------------------------------
 1 file changed, 362 insertions(+), 485 deletions(-)