[gnome-weather] build: Update required version of meson

[Christopher Davis <christopherdavis src gnome org>]

commit a29f64975860a3a91fc6c9ba082d79653116d701
Author: Christopher Davis <brainblasted disroot org>
Date:   Mon Aug 5 18:21:19 2019 -0700

    build: Update required version of meson
    
    We use features introduced in 0.50.0, so we need to use
    that as our minimum version.

 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index ddd75d4..28c6ded 100644
--- a/meson.build
+++ b/meson.build
@@ -1,6 +1,6 @@
 project('gnome-weather', 'c',
   version: '3.32.1',
-  meson_version: '>= 0.46.0',
+  meson_version: '>= 0.50.0',
   license: 'GPL2+'
 )