Release mistral-extra for Zed-1 milestone

This is a library release for mistral-extra for the Zed-1
milestone. This repository contains commits that have not been releases
for this cycle yet.

If the team is ready to process with this release, please leave a +1
to indicate we should go ahead with the release.

If the team needs more time for things about to merge, or if there is
some other reason a release should not be done at this time, please
leave a -1 with a comment indicating the status. Then update the patch
with the new commit hash to use once the team is ready to do the
release.

$ git log --oneline --no-merges 11.2.0..d8a8f99
d8a8f99 Remove support for unmaintained Glare

Signed-off-by: Hervé Beraud <hberaud@redhat.com>
Change-Id: I3cdcf9f320a46fd45ba494404af7feeba6507727

deliverables/zed/mistral-extra.yaml

@@ -6,3 +6,8 @@ team: mistral
 type: library
 repository-settings:
   openstack/mistral-extra: {}
+releases:
+  - version: 12.0.0
+    projects:
+      - repo: openstack/mistral-extra
+        hash: d8a8f99d39cb225efd3da41915016e97ad9c64e3