[Wallaby] Fix tempest_exclude for ovs iptables_hybrid

It was missed in [1] while pinning neutron-tempest-plugin
to 1.8.0 where test name is different.

The test is required to be exluded as per [2] in
iptables hybrid ovs job, this patch fixes it for
wallaby job.

[1] https://review.opendev.org/c/openstack/neutron-tempest-plugin/+/871793
[2] https://review.opendev.org/c/openstack/neutron-tempest-plugin/+/793196

Closes-Bug: #2006953
Change-Id: I6a50611ea828223510dfef8290458c19a65f3048
1 file changed