[gdk-pixbuf] Post-release version bump to 2.42.9

[Emmanuele Bassi <ebassi src gnome org>]

commit 9b7308cbb21e916fb1e6e682b2e1a3d7a75c48ea
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Fri Mar 18 12:26:57 2022 +0000

    Post-release version bump to 2.42.9

 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index fe4bfaad4..aab4017ca 100644
--- a/meson.build
+++ b/meson.build
@@ -1,5 +1,5 @@
 project('gdk-pixbuf', 'c',
-  version: '2.42.8',
+  version: '2.42.9',
   license: 'LGPL-2.1-or-later',
   default_options: [
     'buildtype=debugoptimized',