Release networking-ovn RC2 for Train

This release is being proposed to pick up translations and bugfixes
that have merged to stable/train but not been released.

Not all changes are critical to make it into the initial Train
coordinated release and can wait until a stable release later. If
this patch does not get an ack from the PTL and/or release liaison
by EOD Thursday it will just be abandoned.

Teams may also choose to -1 this patch and update it once any final
commits merge prior to the October 10 deadline.

Change-Id: I0b360025c8d714d847889888ca0b5ca9fdf6fe1a

deliverables/train/networking-ovn.yaml

@@ -23,6 +23,10 @@ releases:
     projects:
       - repo: openstack/networking-ovn
         hash: ff6f221e3689ad5b708c8fc0b435fdc8ce0fc1bc
+  - version: 7.0.0.0rc2
+    projects:
+      - repo: openstack/networking-ovn
+        hash: 60ca3c7809cba359871ed7220715a637448d9362
 branches:
   - name: stable/train
     location: 7.0.0.0rc1