Transition Freezer project to DPL

As a result of dicsussions during project update meeting [1] it was decided
among present participants/volunteers to move the project towards DPL
model and evolve further distributed leadership/roles among future
contributors/interested parties.

Meeting notes were held in etherpad [2]

[1] https://lists.openstack.org/archives/list/openstack-discuss@lists.openstack.org/thread/DV4XQ4IM67RXFYDJVDSHNIEVULXER3CN/
[2] https://etherpad.opendev.org/p/freezer-status

Change-Id: I61497997f30b8b63af1ad8640d283527bb95a86a

reference/projects.yaml

@@ -251,10 +251,20 @@ ec2-api:
       repos:
         - openstack/ec2api-tempest-plugin
 freezer:
-  ptl:
-    name: APPOINTMENT NEEDED
-    irc: No nick supplied
-    email: example@example.org
+  leadership_type: distributed
+  liaisons:
+    release:
+      - name: Dmitriy Rabotyagov
+        irc: noonedeadpunk
+        email: noonedeadpunk@gmail.com
+    tact-sig:
+      - name: Dmitriy Rabotyagov
+        irc: noonedeadpunk
+        email: noonedeadpunk@gmail.com
+    security:
+      - name: Alvaro Soto
+        irc: khyr0n
+        email: alsotoes@gmail.com
   appointed:
     - stein
     - zed