[gnome-shell] build: Bump gsettings-desktop-schemas requirement

[Florian Müllner <fmuellner src gnome org>]

commit 7ca3cca306d82fd48ddad024d77b213f4b7bde5e
Author: Florian Müllner <fmuellner gnome org>
Date:   Sat Jul 20 18:25:29 2019 +0200

    build: Bump gsettings-desktop-schemas requirement
    
    ... for the new disable-hot-corners setting.

 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index 15dfc43ad..42c7f02d9 100644
--- a/meson.build
+++ b/meson.build
@@ -23,7 +23,7 @@ gjs_req = '>= 1.57.3'
 gtk_req = '>= 3.15.0'
 mutter_req = '>= 3.33.4'
 polkit_req = '>= 0.100'
-schemas_req = '>= 3.27.90'
+schemas_req = '>= 3.33.1'
 startup_req = '>= 0.11'
 ibus_req = '>= 1.5.2'