[gnome-maps] Post-release version bump

[Marcus Lundblad <mlundblad src gnome org>]

commit bf25b1f4eb204164cf8c3dae472d5d8d5bb48c42
Author: Marcus Lundblad <ml dfupdate se>
Date:   Sat Mar 19 09:51:03 2022 +0100

    Post-release version bump

 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index cbccfc90..6b15e6e3 100644
--- a/meson.build
+++ b/meson.build
@@ -1,5 +1,5 @@
 project('gnome-maps', 'c',
-       version: '42.0',
+       version: '43.alpha',
        license: 'GPL2+'
 )