Release OVN 20.06.1-0.
OVN v20.06.1 was released on 2020-07-08.
Synced the ovn tar ball to the ovn v20.06.1 release - ovn-20.06.1.tar.gz.
Synced the ovs (openvswitch-2.13.90.tar.gz) tar ball to the commit fa31efd211143f1adb06a62faad803a5aca1e400
Signed-off-by: Numan Siddique <numans@ovn.org>