[gegl] release 0.4.22

[Øyvind "pippin" Kolås <ok src gnome org>]

commit 624335f2b2fb7064ac2b7cba9d1b053c88186af6
Author: Øyvind Kolås <pippin gimp org>
Date:   Tue Feb 18 21:37:33 2020 +0100

    release 0.4.22

 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index 42d2900ff..dcf163fa1 100644
--- a/meson.build
+++ b/meson.build
@@ -1,7 +1,7 @@
 project('gegl',
   'c', 'cpp',
   license: 'GPL3+',
-  version: '0.4.21',
+  version: '0.4.22',
   meson_version: '>=0.50.0',
   default_options: [
     'c_std=gnu11',