[libnma] release: update NEWS

[Beniamino Galvani <bgalvani src gnome org>]

commit cf4c8cc41564b91a1a327da9a017af2ee3aa3ad9
Author: Beniamino Galvani <bgalvani redhat com>
Date:   Mon Jun 22 15:07:59 2020 +0200

    release: update NEWS

 NEWS | 10 ++++++++++
 1 file changed, 10 insertions(+)
---
diff --git a/NEWS b/NEWS
index 097576b5..9740b86c 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,13 @@
+=======================================
+libnma-1.8.30
+Overview of changes since libnma-1.8.28
+=======================================
+
+* Properly dispose wireless security objects.
+* Don't clear the key when users set a non-pkcs12 certificate in the
+  certificate chooser UI.
+* Added missing VAPI macro file.
+
 =======================================
 libnma-1.8.28
 Overview of changes since libnma-1.8.26