[stable 2023.1][ovn] Skip multicast test

Got missed to be skipped in the original patch [1].

[1] https://review.opendev.org/c/openstack/neutron-tempest-plugin/+/951149

Related-Bug: #2110191
Change-Id: I89a3d88c10d76807c025d70ece6193b3d1fc4c1d
Signed-off-by: yatinkarel <ykarel@redhat.com>
1 file changed