[LyX/master] Update it.po

[Enrico Forestieri]

commit 7cad99347ac5c542f1ef80b4bdd62bb5fb9e1144
Author: Enrico Forestieri <forenr at lyx.org>
Date:   Sat Sep 2 15:13:48 2023 +0200

    Update it.po

 po/it.gmo |  Bin 631617 -> 638069 bytes
 po/it.po  | 4271 +++++++++++++++++++++++++++++++++----------------------------
 2 files changed, 2332 insertions(+), 1939 deletions(-)