Release Yoga RC1 for monasca-notification

This patch proposes an RC1 release for monasca-notification to get any merged
changes out prior to the RC1 deadline for Yoga going into effect.

If the team is ready to proceed, please leave a +1 to acknowledge this
release and we will process right away. If the team is working on any
final merges, leave a -1 with some detail on the status and update the
patch with the new commit hash to use when ready.

Patches with no response will be merged by Thursday, March 10th.

Signed-off-by: Elod Illes <elod.illes@est.tech>
Change-Id: I5707ca6dfd003dffa9a79e5f998ff4da2c6448b1

deliverables/yoga/monasca-notification.yaml

@@ -5,3 +5,11 @@ team: monasca
 type: other
 repository-settings:
   openstack/monasca-notification: {}
+releases:
+  - version: 6.0.0.0rc1
+    projects:
+      - repo: openstack/monasca-notification
+        hash: 975f46d226e479180c6499fe34073225aeadefdb
+branches:
+  - name: stable/yoga
+    location: 6.0.0.0rc1