[LyX/master] Update fr.po

[jpc]

commit d6fa4ae32427508c6e342e8eeece222a7d36011d
Author: jpc <jpc at lyx.org>
Date:   Fri Mar 3 17:51:08 2023 +0100

             Update fr.po

 po/fr.gmo |  Bin 646283 -> 647608 bytes
 po/fr.po  | 1300 ++++++++++++++++++++++++++++++++-----------------------------
 2 files changed, 677 insertions(+), 623 deletions(-)