[LyX/master] Update fr.po

[jpc]

commit 8664e2fa4d9808a92fd1875eb1be70200a784869
Author: jpc <jpc at lyx.org>
Date:   Mon Jul 22 17:40:30 2024 +0200

               Update fr.po

 po/fr.gmo | Bin 659141 -> 662502 bytes
 po/fr.po  | 611 +++++++++++++++++++++++++++++++++++++++-----------------------
 2 files changed, 384 insertions(+), 227 deletions(-)