Release monasca-ui RC1 for Antelope

This proposed a RC1 release for monasca-ui to get any merged changes
out prior to the RC1 deadline for Antelope 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 early Friday, March 03.

$ git log --oneline --no-merges 7.0.0..097d12a

Signed-off-by: Hervé Beraud <hberaud@redhat.com>
Change-Id: I7789b10fd8a2c13326c9553e513b3545e740e505

deliverables/antelope/monasca-ui.yaml

@@ -5,3 +5,11 @@ team: monasca
 type: horizon-plugin
 repository-settings:
   openstack/monasca-ui: {}
+releases:
+  - version: 8.0.0.0rc1
+    projects:
+      - repo: openstack/monasca-ui
+        hash: 097d12aee254ab8bd89b87f3e7463a996e6813d9
+branches:
+  - name: stable/2023.1
+    location: 8.0.0.0rc1