[gnome-todo] project: Bump meson version

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit f3689936740454775aa402a130bda97988e9d2b3
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Tue Jun 25 20:14:55 2019 -0300

    project: Bump meson version

 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index 9f6cd0c..6295a61 100644
--- a/meson.build
+++ b/meson.build
@@ -4,7 +4,7 @@ project(
           version: '3.91.1',
           license: 'GPL3+',
   default_options: [ 'buildtype=debugoptimized', 'warning_level=1' ],
-    meson_version: '>= 0.47.0'
+    meson_version: '>= 0.50.0'
 )
 
 gnome_todo_version = meson.project_version()