[aisleriot] build: Post release version bump

[Christian Persch <chpe src gnome org>]

commit 6dbc20f960b4c5ba1d3e85e7e2a26e11ee5ed2f7
Author: Christian Persch <chpe src gnome org>
Date:   Sat Jun 5 18:51:43 2021 +0200

    build: Post release version bump

 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index 68df6a98..69d18ea5 100644
--- a/meson.build
+++ b/meson.build
@@ -30,7 +30,7 @@ project(
     'GFDL-1.3-only',
   ],
   meson_version: '>= 0.49.0',
-  version: '3.22.17',
+  version: '3.22.18',
 )
 
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