[LyX/master] Update fr.po

[jpc]

commit 35070ecc03910448af947bf00a496236988298cb
Author: jpc <jpc at lyx.org>
Date:   Sun Aug 28 18:46:31 2022 +0200

               Update fr.po

 po/fr.gmo |  Bin 631665 -> 632360 bytes
 po/fr.po  |  740 ++++++++++++++++++++++++++++++++-----------------------------
 2 files changed, 390 insertions(+), 350 deletions(-)