[onerng talk] Fedora installation instruction update (minor)

[Paul Campbell]

On Wednesday, 15 July 2020 5:30:26 PM NZST jld wrote:
> As of Fedora 31, the default python interpreter is python3.  The required
> packages for onerng must include python3-gnupg going forward, instead of
> python-gnupg. This should probable be mentioned on
> https://onerng.info/onerng/ in the section on how to "Install the Host
> Software".

thanks - I'm aware of this, my (still delayed, sorry) next update will fix this

	Paul