[gnome-maps/gnome-40] Post-relase version bump

[Marcus Lundblad <mlundblad src gnome org>]

commit b723cfd7d4ff0905312b3b797f07602985f441e1
Author: Marcus Lundblad <ml update uu se>
Date:   Fri Jul 9 23:42:55 2021 +0200

    Post-relase version bump

 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index dd08376a..22aed8fb 100644
--- a/meson.build
+++ b/meson.build
@@ -1,5 +1,5 @@
 project('gnome-maps', 'c',
-       version: '40.3',
+       version: '40.4',
        license: 'GPL2+'
 )