Fix el8 release of source artifacts

[jw3]

Only the (s)rpms are being published.

🤔 Pattern '/tmp/archives/fapolicy-analyzer-*.el8.tar.gz' does not match any files.
🤔 Pattern '/tmp/archives/vendor-rs-*.el8.tar.gz' does not match any files.
⬆️ Uploading fapolicy-analyzer-1.3.0-1.el8.x86_64.rpm...
⬆️ Uploading fapolicy-analyzer-1.3.0-1.el8.src.rpm...

[tparchambault]

@jw3 Does this ticket go away because we longer release for Rhel8? Or do we still want to, and this ticket breaks the release process for rhel8?