Add Eyal's review address to Vitrage liaisons

Eyal Bar-Ilan is using a different address for reviews than
the one defined in governance. Add the review address to
the Vitrage release liaisons so that check-ptl-approval
works as intended.

Change-Id: I520d75f39ef5f458e085df3f56573af68258811f

data/release_liaisons.yaml

@@ -165,6 +165,10 @@ trove:
   - name: 'Lingxian Kong'
     irc: lxkong
     email: anlin.kong@gmail.com
+vitrage:
+  - name: 'Eyal Bar-Ilan'
+    irc: n/a
+    email: eyal.bar-ilan@nokia.com
 watcher:
   - name: 'Canwei Li'
     irc: licanwei