Release final python-vitrageclient for Zed

This is a release for python-vitrageclient to get any merged but
unreleased changes out prior to the client lib freeze for Zed 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 Friday, September 2nd.

$ git log --oneline --no-merges 4.5.0..716be84
716be84 Add Python3 zed unit tests
e26a7d2 Drop lower-constraints.txt and its testing
dcbf0ba Update master for stable/yoga

Signed-off-by: Elod Illes <elod.illes@est.tech>
Change-Id: Ib1affb3988c73a2ac0ca6f4912b907d81cac3b00

deliverables/zed/python-vitrageclient.yaml

@@ -6,3 +6,8 @@ team: vitrage
 type: client-library
 repository-settings:
   openstack/python-vitrageclient: {}
+releases:
+  - version: 4.6.0
+    projects:
+      - repo: openstack/python-vitrageclient
+        hash: 716be849831d2a12abb7a1e6b6646366acf86859