[gvfs] Update NEWS for 1.45.3 release

[Ondrej Holy <oholy src gnome org>]

commit e98d901c9446704a721becd8efd3361aa0bddc6d
Author: Ondrej Holy <oholy redhat com>
Date:   Fri Jul 3 13:20:34 2020 +0200

    Update NEWS for 1.45.3 release

 NEWS | 6 ++++++
 1 file changed, 6 insertions(+)
---
diff --git a/NEWS b/NEWS
index 66aa0bae..16379dce 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,9 @@
+Major changes in 1.45.3
+=======================
+* client: Add support for zone identifiers in IPv6 addresses
+* afc: Add support for libplist-2.2
+* Translation updates
+
 Major changes in 1.45.2
 =======================
 * metadata: Emit D-Bus signal when metadata are modified