Thanks for replying.
The only way I know is submit a BUG in https://bugzilla.redhat.com/ for CentOS Stream/rhel9, but it seems there is no component named 'centpkg' yet available

28.04.2021, 14:47, "Josh Boyer" <jwboyer@redhat.com>:

It's an interesting idea. Could you file an RFE against centpkg for
this so it doesn't get lost?