Release heat-dashboard RC1 for Antelope

This proposed a RC1 release for heat-dashboard 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 8.0.0..fa9efec
fa9efec Update ``bindep.txt`` to sync with the horizon
903d7a9 Imported Translations from Zanata
c370b69 Imported Translations from Zanata
cfbd3db Imported Translations from Zanata
33382fa Switch to 2023.1 Python3 unit tests and generic template name
f744cb1 Update master for stable/zed

Signed-off-by: Hervé Beraud <hberaud@redhat.com>
Change-Id: If3c9ba8dfc9b228f02dff8f4f9e5ce6c1e2432a0

deliverables/antelope/heat-dashboard.yaml

@@ -5,3 +5,11 @@ team: heat
 type: horizon-plugin
 repository-settings:
   openstack/heat-dashboard: {}
+releases:
+  - version: 9.0.0.0rc1
+    projects:
+      - repo: openstack/heat-dashboard
+        hash: fa9efec740b54cf05f6607098a4fbf13e5e58f8b
+branches:
+  - name: stable/2023.1
+    location: 9.0.0.0rc1