[NetworkManager-libreswan] release: update NEWS file

[Lubomir Rintel <lkundrak src gnome org>]

commit 1bbb40e7bc92f30add4cab4d644eefb8df7322d1
Author: Lubomir Rintel <lkundrak v3 sk>
Date:   Fri Mar 11 17:22:46 2022 +0100

    release: update NEWS file

 NEWS | 11 +++++++++++
 1 file changed, 11 insertions(+)
---
diff --git a/NEWS b/NEWS
index 0dcc5e4..0fb0261 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,14 @@
+=========================================================
+NetworkManager-libreswan-1.2.16
+Overview of changes since NetworkManager-libreswan-1.2.14
+=========================================================
+
+This is a new stable release of NetworkManager-libreswan. Notable changes include:
+
+* Gtk4 version of the editor plugin is now available (for use with Control
+  Center of GNOME 42 or later).
+* Update Croatian, Swedish, Czech, Danish, Hungarian and Serbian translations.
+
 =========================================================
 NetworkManager-libreswan-1.2.14
 Overview of changes since NetworkManager-libreswan-1.2.12