[gdk-pixbuf] Post-release version bump to 2.42.3

[Emmanuele Bassi <ebassi src gnome org>]

commit 0f6998fa544dc5002c1293ee5cb8640d16cbc1a2
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Mon Dec 7 23:41:52 2020 +0000

    Post-release version bump to 2.42.3

 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index c38607029..7c44860a5 100644
--- a/meson.build
+++ b/meson.build
@@ -1,5 +1,5 @@
 project('gdk-pixbuf', 'c',
-        version: '2.42.2',
+        version: '2.42.3',
         license: 'LGPL-2.1-or-later',
         default_options: [
           'buildtype=debugoptimized',