fix: use tar options to enable extraction on F40 based source

[bsherman]

This should get us past the build issue where tar fails to extract files on old podman.

Fixes: ublue-os/ucore#160

[bsherman]

I do expect testing builds to still fail since zfs 2.2.4 is not yet merged with support for kernel 6.8.

openzfs/zfs#16107

I'm surprised stable works as it upgraded to 6.8.4.

[bsherman]

This line shows my fix working: https://github.com/ublue-os/ucore-kmods/actions/runs/8913047002/job/24477765608?pr=15#step:7:1036

But later it fails when rpm build does a similar operation: https://github.com/ublue-os/ucore-kmods/actions/runs/8913047002/job/24477765608#step:7:1741

[bsherman]

The solution which has finally worked is to use docker buildx instead of buildah and podman push.

Other than swapping a two redhat actions for a single docker action, the main difference is piping our already generated tag list into the docker/metadata action so that the tags are docker/build-and-push friendly.

Side benefit, we can actually see what tags/registries we expect to push in the log out put for the metadata, even if not pushing.

[p5]

LGTM!