[nautilus] Post branch version bump to 40.alpha

[Ondrej Holy <oholy src gnome org>]

commit d584123d76275b6220ac7344c1aa2049464f1e09
Author: Ondrej Holy <oholy redhat com>
Date:   Fri Oct 2 14:25:16 2020 +0200

    Post branch version bump to 40.alpha
    
    Let's switch to the new versioning scheme:
    https://discourse.gnome.org/t/new-gnome-versioning-scheme/4235

 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index a25ce482c..0939a4dac 100644
--- a/meson.build
+++ b/meson.build
@@ -4,7 +4,7 @@ project('nautilus', 'c',
   # Do not forget when releasing:
   #  * Update version in data/org.gnome.Nautilus.appdata.xml.in.in
   #  * Update GTK-based codes over src/gtk/gtk-code-generator.sh
-  version: '3.38.1',
+  version: '40.alpha',
 
   meson_version: '>= 0.49.0',
   license: 'GPL3+'