[gnome-system-monitor] Post-release version bump to 40.beta

[Robert Roth <robertroth src gnome org>]

commit fa0b674e28fcec4692477ab3d9e3f36f8d65a9a9
Author: Robert Roth <robert roth off gmail com>
Date:   Sun Jan 10 18:22:33 2021 +0200

    Post-release version bump to 40.beta

 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index 549b1aeb..d2eff466 100644
--- a/meson.build
+++ b/meson.build
@@ -4,7 +4,7 @@ project('gnome-system-monitor',
   default_options : [
     'c_std=c11', 'cpp_std=c++11', 'warning_level=3'
   ],
-  version: '40.alpha',
+  version: '40.beta',
   meson_version: '>=0.50.0',
 )