[amtk] Post-release version bump

[Sébastien Wilmet <swilmet src gnome org>]

commit 28e4a257b763d4f8b388064b3318127cde767ce9
Author: Sébastien Wilmet <swilmet informatique-libre be>
Date:   Wed May 25 07:41:15 2022 +0200

    Post-release version bump

 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index 2b3fb65..70a5c2e 100644
--- a/meson.build
+++ b/meson.build
@@ -6,7 +6,7 @@
 project(
   'amtk', 'c',
   meson_version: '>= 0.53',
-  version: '5.4.1',
+  version: '5.4.2',
   default_options: ['warning_level=2']
 )