Release Yoga RC1 for murano-agent

This patch proposes an RC1 release for murano-agent 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: I4f2a7a63b1d2dce67749d16830eb260bf828f066

deliverables/yoga/murano-agent.yaml

@@ -5,3 +5,11 @@ team: murano
 type: other
 repository-settings:
   openstack/murano-agent: {}
+releases:
+  - version: 9.0.0.0rc1
+    projects:
+      - repo: openstack/murano-agent
+        hash: b873684f21e40145635e771d537dd64c522002bf
+branches:
+  - name: stable/yoga
+    location: 9.0.0.0rc1