Update changelog for 3.14.2.

debian/changelog

 tails (3.14.2) UNRELEASED; urgency=medium
 
-  * Dummy entry for next release.
+  * Security fixes
+    - Upgrade Tor Browser to 8.5.3 (Closes: #16835).
+
+  * Bugfixes
+    - tails-screen-locker: Don't use dim-label style class
+      (Closes: #16802).
 
- -- anonym <anonym@riseup.net>  Thu, 20 Jun 2019 16:48:50 +0200
+ -- Tails developers <tails@boum.org>  Sun, 23 Jun 2019 10:41:51 +0200
 
 tails (3.14.1) unstable; urgency=medium