Update wheel-build.sh for zuulv3.o.o
Update wheel-build.sh for zuulv3.o.o

We no longer have remotes on git repos pushed to our nodes. So just
check the local branches zuul knows about.

Change-Id: Ic70c84990a748df46a70426e7879941fb1deec0f
Signed-off-by: Paul Belanger <e7139c8e6c4ea75cc1c287ce081b2dc0f3ab39ec@redhat.com>

openstack-infra/project-config,openstack-infra/project-config