[LyX/master] Update fr.po

[jpc]

commit 3b1eea04b0e93f2627eeffc2b68811436f4f1ae6
Author: jpc <jpc at lyx.org>
Date:   Thu May 11 18:09:24 2023 +0200

             Update fr.po

 po/fr.gmo |  Bin 648101 -> 648269 bytes
 po/fr.po  |  785 +++++++++++++++++++++++++++++++------------------------------
 2 files changed, 401 insertions(+), 384 deletions(-)