[gdm] meson: bump to 3.37.3

[Ray Strode <halfline src gnome org>]

commit d0dc8416a090f4b3ac8f954b56e558ef17f95eef
Author: Ray Strode <rstrode redhat com>
Date:   Mon Jul 20 15:05:05 2020 -0400

    meson: bump to 3.37.3

 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index 8906f767b..a754476d2 100644
--- a/meson.build
+++ b/meson.build
@@ -1,5 +1,5 @@
 project('gdm', 'c',
-  version: '3.37.1',
+  version: '3.37.3',
   license: 'GPL2+',
   meson_version: '>= 0.50',
 )