[librsvg: 2/3] Update NEWS

[Marge Bot <marge-bot src gnome org>]

commit 8940f6dc9fb0fb3be5edc18b23412b724b7799c3
Author: Federico Mena Quintero <federico gnome org>
Date:   Fri May 13 19:53:53 2022 -0500

    Update NEWS
    
    Part-of: <https://gitlab.gnome.org/GNOME/librsvg/-/merge_requests/702>

 NEWS | 9 +++++++++
 1 file changed, 9 insertions(+)
---
diff --git a/NEWS b/NEWS
index 856920dcb..49637b2d5 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,12 @@
+==============
+Version 2.54.3
+==============
+
+- #866 - Fix detection of gi-docgen (David King, Jan Alexander Steffens).
+
+- Install the generated documentation in the correct place so that
+  Devhelp can find it (thanks to Jan Tojnar for pointing this out).
+
 ==============
 Version 2.54.2
 ==============