Make puppet 5.5 unit job voting
Make puppet 5.5 unit job voting

If we only run puppet 5 jobs now this should be
voting, puppet 4 unit should still be voting so
that we know if we break puppet 4 support.

Change-Id: I3ed98047e1d62efdbd1c754b70cbd03e757e1051

openstack/puppet-openstack-integration,openstack/puppet-openstack-integration,openstack/puppet-openstack-integration