Release python-designateclient for Antelope-1 milestone

This is a library release for python-designateclient for the Antelope-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 5.0.0..6a8ef57
6a8ef57 Update metadata in setup.cfg
ece4ed4 Add Python3 antelope unit tests
f175354 Update master for stable/zed
2221fdc Use TOX_CONSTRAINTS_FILE
435f1e7 Include SECONDARY zones into list command output

Signed-off-by: Hervé Beraud <hberaud@redhat.com>
Change-Id: Idfdb58b509846b25a71283203328cdb11c6d9734

deliverables/antelope/python-designateclient.yaml

@@ -6,3 +6,8 @@ team: designate
 type: client-library
 repository-settings:
   openstack/python-designateclient: {}
+releases:
+  - version: 5.1.0
+    projects:
+      - repo: openstack/python-designateclient
+        hash: 6a8ef57dc79c503334be7cab0146784173c5e6a1