branch 20.12: Set release date for 20.12.0

Signed-off-by: Mark Michelson <mmichels@redhat.com>
Signed-off-by: Numan Siddique <numans@ovn.org>

NEWS

@@ -2,7 +2,7 @@ Post-v20.12.0
 -------------------------
   - Support ECMP multiple nexthops for reroute router policies.
 
-OVN v20.12.0 - xx xxx xxxx
+OVN v20.12.0 - 18 Dec 2020
 --------------------------
    - The "datapath" argument to ovn-trace is now optional, since the
      datapath can be inferred from the inport (which is required).

debian/changelog

@@ -8,7 +8,7 @@ ovn (20.12.0-1) unstable; urgency=low
 
    * New upstream version
 
- -- OVN team <dev@openvswitch.org>  Mon, 07 Dec 2020 19:22:36 +0530
+ -- OVN team <dev@openvswitch.org>  Fri, 18 Dec 2020 11:33:47 -0500
 
 ovn (20.09.0-1) unstable; urgency=low