'9-stream' was being matched against the regex '9',
causing builds on RHEL9 to try to install C9S RPMs.
We want this the other way so that DIB_RELEASE=9
will not match the regex '9-stream'.
Resolves: rhbz#2097443
Signed-off-by: Lon Hohberger <lhh@redhat.com>
Change-Id: Iefd7c23512c460e33117d12bbc33606134daa9e2