[gobject-introspection] Update NEWS

[Christoph Reiter <creiter src gnome org>]

commit 5662209157d0ef10725c59570cb480022c6591dc
Author: Christoph Reiter <reiter christoph gmail com>
Date:   Sat Oct 3 12:28:01 2020 +0200

    Update NEWS

 NEWS | 9 +++++++++
 1 file changed, 9 insertions(+)
---
diff --git a/NEWS b/NEWS
index 958b08c99..5a4c655f0 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,12 @@
+1.66.1 - 2020-10-03
+-------------------
+
+* Update glib annotations
+* Windows: Fix running on different drives :mr:`239`
+* gimarshallingtests: Add more tests for flags :mr:`235`
+* Revert "giscanner: Fix section matching for documentation :mr:`237`" see :issue:`360`
+
+
 1.66.0 - 2020-09-12
 -------------------