[LyX/master] Copy zh_CN.po from branch

[Pavel Sanda]

commit 411387cccc1a34d658b72476f2ed6a5131bcdae4
Author: Pavel Sanda <sanda at lyx.org>
Date:   Fri Aug 23 08:16:08 2024 +0200

    Copy zh_CN.po from branch

 po/zh_CN.po | 8655 +++++++++++++++++++++++++++--------------------------------
 1 file changed, 4004 insertions(+), 4651 deletions(-)