Add watcher DPL for Epoxy

This was discussed on https://review.opendev.org/c/openstack/governance/+/932419
as an alternative to the PTL to allow spreading out the
responsibilities.

Change-Id: I8507849c2258b4c47c2b275c1d56c014d617e020

reference/projects.yaml

@@ -2580,10 +2580,31 @@ vitrage:
       repos:
         - openstack/xstatic-moment-timezone
 watcher:
-  ptl:
-    name: APPOINTMENT NEEDED
-    irc: No nick supplied
-    email: example@example.org
+  leadership_type: distributed
+  liaisons:
+    project_update_onboarding:
+      - name: Ke Chen
+        irc: chenke
+        email: chen.ke14@zte.com.cn
+    release:
+      - name: Sean Mooney
+        irc: sean-k-mooney
+        email: smooney@redhat.com
+    tact-sig:
+      - name: Marios Andreou
+        irc: marios
+        email: marios@redhat.com
+      - name: Martin Kopec
+        irc: kopecmartin
+        email: mkopec@redhat.com
+    security:
+      - name: Dan Smith
+        irc: dansmith
+        email: danms@danplanet.com
+    tc-liaison:
+      - name: Ghanshyam Mann
+        irc: gmann
+        email: gmann@ghanshyammann.com
   appointed:
     - zed
   irc-channel: openstack-watcher