[gtksourceview] build: drop GTK 4 version

[Christian Hergert <chergert src gnome org>]

commit af8f8e1d7b1cd1355e94631384b76eac09d2de17
Author: Christian Hergert <chergert redhat com>
Date:   Thu Jan 6 22:27:13 2022 -0800

    build: drop GTK 4 version
    
    We'll have to handle line-height specially for CI to continue.

 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index 904e1827..1bb5bbe7 100644
--- a/meson.build
+++ b/meson.build
@@ -69,7 +69,7 @@ build_gtk_doc = get_option('gtk_doc')
 cc = meson.get_compiler('c')
 
 glib_req_version = '2.70'
-gtk_req_version = '4.5'
+gtk_req_version = '4.4'
 
 libm_dep = cc.find_library('m', required: false)