Release zun RC1 for 2023.2 Bobcat

This proposed a RC1 release for zun to get any merged changes
out prior to the RC1 deadline for 2023.2 Bobcat 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, September 15.

Change-Id: Ia0c5ef53c15df6b4b167a04b284c71c3074b9408
Signed-off-by: Elod Illes <elod.illes@est.tech>

deliverables/bobcat/zun.yaml

@@ -5,3 +5,11 @@ team: zun
 type: service
 repository-settings:
   openstack/zun: {}
+releases:
+  - version: 12.0.0.0rc1
+    projects:
+      - repo: openstack/zun
+        hash: 4fa358474ee337f27bfaf8b98e886cc8d10ada50
+branches:
+  - name: stable/2023.2
+    location: 12.0.0.0rc1