Appoint Hao Wang as Zaqar PTL

Hao Wang sent their late candidacy
for Zaqar PTL position of Xena Cycle
- https://review.opendev.org/c/openstack/election/+/780150

Change-Id: Iae2a1382e9932d55dcb1d2be5c917d80f2fab96d

reference/projects.yaml

@@ -3311,12 +3311,13 @@ winstackers:
       - mnaser
 zaqar:
   ptl:
-    name: APPOINTMENT NEEDED
+    name: wang hao
     irc: No nick supplied
-    email: example@example.org
+    email: sxmatch1986@gmail.com
   appointed:
     - train
     - victoria
+    - xena
   irc-channel: openstack-zaqar
   service: Message service
   mission: >