The libvirt/qemu issue [1] is currently blocking all the promotions (tags, buildsys-tags, p-o-i) for all the RDO releases supported on CS9.
It was fixed in [2], and we are now waiting for it to land in base CS repos

qemu-kvm: ../qapi/qobject-output-visitor.c:95: void qobject_output_add_obj(QObjectOutputVisitor *, const char *, QObject *): Assertion `name' failed.

[1] https://issues.redhat.com/browse/RHEL-73688
[2] https://gitlab.com/redhat/centos-stream/rpms/qemu-kvm/-/commit/e4745a1a9709a1560675b28ca8b0ada9e737ee3f