Add an entry that reloading TLS certificates without destroying
underlying TCP listening sockets.
+5854. [func] Implement reference counting for TLS contexts and
+ allow reloading of TLS certificates on reconfiguration
+ without destroying the underlying TCP listener sockets
+ for TLS-based DNS transports. [GL #3122]
+
5853. [bug] When using both the `+qr` and `+y` options `dig` could
crash if the connection to the first server was not
successful. [GL #3244]