custom runners aren't accepting jobs

[cgwalters]

xref

• https://github.com/organizations/bootc-dev/settings/actions/runners
• https://cloud-native.slack.com/archives/C014YQ8CDCG/p1753379057668999?thread_ts=1749065398.627899&cid=C014YQ8CDCG
• https://github.com/bootc-dev/ci-sandbox/actions/runs/16503864752

[cgwalters]

This works for the container runners now, but the VM runners aren't working yet.