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

[Robert Roth <robertroth src gnome org>]

commit 5cf2d6500d7c6bf8e5be034b93d96e991c286ee3
Author: Robert Roth <robert roth off gmail com>
Date:   Sun Jan 10 18:35:33 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 100466d..0e114d9 100644
--- a/meson.build
+++ b/meson.build
@@ -1,5 +1,5 @@
 project ('gnome-mines', ['vala', 'c'],
-         version: '40.alpha',
+         version: '40.beta',
          license: 'GPLv3+',
          default_options: [
              'warning_level=1',