[LyX/master] Python runtime detection requirement upgraded to 3.8

[Pavel Sanda]

On Thu, Jun 13, 2024 at 10:52:26AM +0100, José Matos wrote:
> On Wed, 2024-06-12 at 10:06 +0200, Pavel Sanda wrote:
> > Hi Jose,
> > 
> > bumping p3 version requirements and dropping p2 should go into
> > RELEASE-NOTES and specific version should be fixed in
> > INSTALL/README...
> > 
> > Pavel
> 
> For the moment I updated the INSTALL document.

Thanks. Please bump/fix the other two as well, I don't have good enough
memory to keep track of it in the long term.

Irrelevant to python, but I see in the diff context ftp:// :)
Pavel