[LyX/master] Corrected some used URL's in our lyx files

[Richard Kimberly Heck]

On 10/7/24 6:13 AM, Kornel Benko wrote:
> commit c0ee28a7c9d4b47b68f02d6cdb4205a29fbb6742
> Author: Kornel Benko <kornel at lyx.org>
> Date:   Mon Oct 7 12:19:28 2024 +0200
>
>      Corrected some used URL's in our lyx files

I assume this is also needed in stable? If so, please go ahead.

Riki