Release murano-dashboard RC1 for Antelope

This proposed a RC1 release for murano-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 14.0.0..5e73220a
04f62668 Remove hard-coded Python path in karma.conf.js
d956d059 Django 4.x: Replace removed features
d85b6115 Imported Translations from Zanata
6b5b8bb1 Imported Translations from Zanata
8aceeda5 Add designate support for Zone choice
11181ef0 Switch to 2023.1 Python3 unit tests and generic template name
5e0548e8 Update master for stable/zed

Signed-off-by: Hervé Beraud <hberaud@redhat.com>
Change-Id: I9fea8924ab1a0cc877c43d121fa8c006b7ce47c2

deliverables/antelope/murano-dashboard.yaml

@@ -6,3 +6,11 @@ team: murano
 type: horizon-plugin
 repository-settings:
   openstack/murano-dashboard: {}
+releases:
+  - version: 15.0.0.0rc1
+    projects:
+      - repo: openstack/murano-dashboard
+        hash: 5e73220a5f81adb9b59ab0711fecad23ddfd5a1b
+branches:
+  - name: stable/2023.1
+    location: 15.0.0.0rc1