[#3513] add ChangeLog entry

ChangeLog

@@ -1,3 +1,9 @@
+2275. [func] andrei
+ When running with High-Availibility (HA) enabled, the status-get
+ command now includes in its response the system time for each HA
+ node and the clock skew in seconds between active peers.
+ (Gitlab #3513)
+
 2274. [doc, func, build] andrei
  The events that logged EVAL_RESULT now log a different message
  for each triggering event. As a result, the message was split
@@ -34,6 +40,7 @@
  mysql db-upgrade, pgsql db-upgrade, pgsql lease-dump.
  pgsql db-upgrade now properly reports an upgrade failure instead
  of attempting to upgrade to subsequent schema versions.
+ (Gitlab #2882)
 
 2269. [func] tmark
  Extended kea-dhcp4 and kea-dhcp6 lenient option parsing