Appoint Dave as Keystone PTL

Dave raised the late candidacy for Keystone PTL
2023.1 cycle.
- https://review.opendev.org/c/openstack/election/+/856297
- https://etherpad.opendev.org/p/2023.1-leaderless

Change-Id: I5ca77302cf70ba25cfe77cc48191c312938dea86

reference/projects.yaml

@@ -543,9 +543,11 @@ ironic:
         - openstack/virtualbmc
 keystone:
   ptl:
-    name: APPOINTMENT NEEDED
-    irc: No nick supplied
-    email: example@example.org
+    name: Dave Wilde
+    irc: d34dh0r53
+    email: dwilde@redhat.com
+  appointed:
+    - 2023.1
   irc-channel: openstack-keystone
   service: Identity service
   mission: >