[Skiboot] [PATCH] opal-ci: Use the Fedora container registry

[Reza Arbab]

On Tue, Sep 12, 2023 at 03:55:40PM -0500, Reza Arbab wrote:
>The Fedora images in the Docker hub container registry are updated less
>frequently and lag the ones from Fedora's offical repo.
>
>In my experience, this often leads to periods where our CI testing is
>broken on rawhide due to some short-lived issue that is already fixed in
>current images.
>
>So, change our Dockerfiles to pull specifically from the upstream
>registry.fedoraproject.org instead.

Applied to master.

-- 
Reza Arbab