Release sahara-tests for Yoga

sahara-tests is a tempest plugin. This patch propose a latest release for
sahara-tests to get any merged changes out prior to the final Yoga 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 Thursday, March 17.

$ git log --oneline --no-merges 0.14.0..98063d3

Signed-off-by: Hervé Beraud <hberaud@redhat.com>
Change-Id: I4549d62a91ac7ab4a44cbbcf753d823a796af6d2

deliverables/yoga/sahara-tests.yaml

@@ -7,3 +7,8 @@ stable-branch-type: none
 release-type: python-pypi
 repository-settings:
   openstack/sahara-tests: {}
+releases:
+  - version: 0.15.0
+    projects:
+      - repo: openstack/sahara-tests
+        hash: 98063d3fd93ce77cb3ecbbd33868bbe5dd3a6865