[LyX/master] Update fr.po

[jpc]

commit 12ef26d388417ab471445566f7dbba4099b03635
Author: jpc <jpc at lyx.org>
Date:   Mon Feb 20 10:57:41 2023 +0100

          Update fr.po

 po/fr.gmo |  Bin 640876 -> 646218 bytes
 po/fr.po  |  592 +++++++++++++++++++++++++++++++++++++++----------------------
 2 files changed, 384 insertions(+), 208 deletions(-)