[NetworkManager-openvpn] release: update NEWS file

[Beniamino Galvani <bgalvani src gnome org>]

commit 84bb51a6378b4afa83f28912863f8ca02c64034f
Author: Beniamino Galvani <bgalvani redhat com>
Date:   Fri Feb 8 16:43:37 2019 +0100

    release: update NEWS file

 NEWS | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
---
diff --git a/NEWS b/NEWS
index fd860e6..3e8c971 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,17 @@
+=======================================================
+NetworkManager-openvpn-1.8.10
+Overview of changes since NetworkManager-openvpn-1.8.8
+=======================================================
+
+This is a new stable release of NetworkManager-openvpn.  Notable changes include:
+
+* Fix changing the proxy port in the editor.
+* Drop the file extension check when importing a file.
+* Support loading the editor shared object from the same directory of
+  plugin for development purposes.
+* Update Brazilian Portuguese, Catalan, Czech, Danish, Lithuanian,
+  Polish and Spanish translations.
+
 =======================================================
 NetworkManager-openvpn-1.8.8
 Overview of changes since NetworkManager-openvpn-1.8.6