Release os-win for wallaby-1 milestone

This is a library release for os-win for the wallaby-1
milestone. This repo includes 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.

Change-Id: I9a6d8bbf4972694e29cff65be684cdd3ce057af9

deliverables/wallaby/os-win.yaml

@@ -6,3 +6,8 @@ team: winstackers
 type: library
 repository-settings:
   openstack/os-win: {}
+releases:
+  - version: 5.3.0
+    projects:
+      - repo: openstack/os-win
+        hash: 78414e71606b37ff2147ee886ee1fd962ef3a911