[LyX/master] Update fr.po (fuzzy strings translation completed)

[Jean-Pierre]

commit 189881e420d9a01b995707f676f6abf9f92bea1c
Author: Jean-Pierre <jpc at lyx.org>
Date:   Tue Jun 2 17:33:26 2026 +0200

           Update fr.po (fuzzy strings translation completed)

 po/fr.gmo |   Bin 727995 -> 753653 bytes
 po/fr.po  | 10577 +++++++++++++++++++++++++++++++++++++++---------------------
 2 files changed, 6972 insertions(+), 3605 deletions(-)