[#3483] Added a ChangeLog entry

Author: fxdupont

ChangeLog

@@ -1,3 +1,10 @@
+2273.	[func]*		fdupont
+	The RBAC (role-based access control) hook library was
+	extended to support the new HTTP/HTTPS control socket
+	of Kea servers. Note its name changed too from
+	"libca_rbac.so" to "libdhcp_rbac.so".
+	(Gitlab #3483)
+
 2272.	[perf]		fdupont
 	Implementation of "and", "or" and "ifelse" expressions
 	was changed to evaluate sub-expressions only when needed.