[amtk] Version bump

[Sébastien Wilmet <swilmet src gnome org>]

commit db650a926ed009536d9812dba2d79a8d02e74db8
Author: Sébastien Wilmet <swilmet informatique-libre be>
Date:   Thu Jul 21 16:22:39 2022 +0200

    Version bump

 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index 959201e..5488d50 100644
--- a/meson.build
+++ b/meson.build
@@ -6,7 +6,7 @@
 project(
   'amtk', 'c',
   meson_version: '>= 0.53',
-  version: '5.5.1',
+  version: '5.5.2',
   default_options: ['warning_level=2']
 )