Proposing Xena RC1 for magnum

This proposed a RC1 release for magnum to get any merged changes
out prior to the RC1 deadline for Xena 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, September 16.

$ git log --oneline --no-merges 12.0.0.0rc1..6951ac4f
6468aad3 Update cluster autoscaler build for v1.22
68e6c0e4 [fix] Detect virtio-scsi volumes correctly
cdbe26c4 [k8s] Fix CA rotate
12766eaf Add cloud-provider flag to openstack cloud control manager
1e2c3f3a Replace deprecated import of ABCs from collections
67acf2c5 Use Block Storage API v3 instead of API v2
d8cc8828 Fix CoreDNS 1.7.0 and above
ba75dce2 Ensure backward compatibility with SQLAlchemy<1.4
b2e20a11 Make code compatible with SQLAlchemy 1.4.18
ec092724 Revert "[K8S] Enable --use-service-account-credentials"
16344a5a Add separated CA cert for etcd and front-proxy
e9b48896 [K8S] Enable --use-service-account-credentials
b4016783 Update traefik options
1de9b140 Download correct cri-containerd-cni tarball
fa4a6ba7 Add toleration to CSI nodeplugin
7be7a5a1 [hca] Use wallaby-stable-1 as default HCA tag
fc1f27a5 Support hyperkube_prefix label

Signed-off-by: Hervé Beraud <hberaud@redhat.com>
Change-Id: Ide69f045198286419b18beec086de98587ca9335

deliverables/xena/magnum.yaml

@@ -5,3 +5,11 @@ team: magnum
 type: service
 repository-settings:
   openstack/magnum: {}
+releases:
+  - version: 13.0.0.0rc1
+    projects:
+      - repo: openstack/magnum
+        hash: 6951ac4fc6b6178637fac7bd5d05096adb5c6bdc
+branches:
+  - name: stable/xena
+    location: 13.0.0.0rc1