Release OpenStack-Ansible Ussuri RC3

This will be the final RC for OpenStack-
Ansible.

Change-Id: Ia400cbbcf42d72c3e68d5ecf19e5cb8a4181bdd7

deliverables/ussuri/openstack-ansible.yaml

@@ -9,6 +9,8 @@ repository-settings:
 cycle-highlights:
   - Ceph Octopus support
   - MariaDB upgraded to 10.4 release
+  - Added Centos 8 support
+  - Added Ubuntu Focal support
 releases:
   - version: 21.0.0.0rc1
     projects:
@@ -18,6 +20,10 @@ releases:
     projects:
       - repo: openstack/openstack-ansible
         hash: 6f210eac7c21883aa7b3237c9857a4762cfdcbdd
+  - version: 21.0.0.0rc3
+    projects:
+      - repo: openstack/openstack-ansible
+        hash: a21b05dd378c267ee3235e2532d01acb599d3fb6
 branches:
   - name: stable/ussuri
     location: 21.0.0.0rc1