[gnome-builder/wip/gtk4-port: 1447/1774] build: bump glib requirement

[Christian Hergert <chergert src gnome org>]

commit 099890ae67ee877d9ecda6977d1d8c438bd26a34
Author: Christian Hergert <chergert redhat com>
Date:   Thu Jun 9 13:23:13 2022 -0700

    build: bump glib requirement
    
    So that we can use more recent API additions.

 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index e7091838b..3d8abdfb4 100644
--- a/meson.build
+++ b/meson.build
@@ -22,7 +22,7 @@ pkggirdir = join_paths(get_option('datadir'),'gnome-builder', 'gir-1.0')
 pkgtypelibdir = join_paths(get_option('libdir'), 'gnome-builder', 'girepository-1.0')
 
 # Check dependencies
-glib_req_version = '2.71'
+glib_req_version = '2.73'
 gtk_req_version = '4.7'
 gtksourceview_req_version = '5.5'
 libadwaita_req_version = '1.2.alpha'