[LyX/master] Update fr.po

[jpc]

commit 66df0c36ca98074c32e1212375101ed13e5e8e98
Author: jpc <jpc at lyx.org>
Date:   Mon Feb 14 11:30:24 2022 +0100

                 Update fr.po

 po/fr.gmo |  Bin 625327 -> 626571 bytes
 po/fr.po  | 1491 +++++++++++++++++++++++++++++++-----------------------------
 2 files changed, 770 insertions(+), 721 deletions(-)