[gegl] post release version bump

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

commit 663009f567eeae5ee19eb70d49e1d2c7816317fc
Author: Øyvind Kolås <pippin gimp org>
Date:   Sun Dec 20 13:18:27 2020 +0100

    post release version bump

 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index 4725ca48a..72c06b545 100644
--- a/meson.build
+++ b/meson.build
@@ -1,7 +1,7 @@
 project('gegl',
   'c', 'cpp',
   license: 'GPL3+',
-  version: '0.4.28',
+  version: '0.4.29',
   meson_version: '>=0.54.0',
   default_options: [
     'c_std=gnu11',