[Lyx/2.4.x] Update zh_CN.po 20240824

[Pavel Sanda]

On Sat, Aug 24, 2024 at 03:16:37PM +0200, Jürgen Spitzmüller wrote:
> Am Samstag, dem 24.08.2024 um 09:35 +0800 schrieb Jiaxu Zi:
> > Updated Simplified Chinese Translations.
> 
> Alas, the patch doesn't apply cleanly to stable.

I was able to make it work, so it's now in 2.4.x.

> Could you send the whole po file?

Indeed, please next time better to send the whole .po file and because it 
will be big use po-updates at lyx.org instead of devel list email address.

Thanks!
Pavel