[PATCH 1/2] ci: switch to Ubuntu 20.04

[Aaron Conole]

David Marchand <david.marchand at redhat.com> writes:

> Ubuntu 18.04 is now rather old.
> Besides, other entities in our CI are also testing this distribution.
>
> Switch to a newer Ubuntu release and benefit from more recent
> tool(chain)s: for example, net/cnxk now builds fine and can be
> re-enabled.
>
> Signed-off-by: David Marchand <david.marchand at redhat.com>
> ---

LGTM
Acked-by: Aaron Conole <aconole at redhat.com>