[gnome-text-editor] build: bump GtkSourceView requirement

[Christian Hergert <chergert src gnome org>]

commit 53abc5d8fe800c8f773b749f535ab88987146e26
Author: Christian Hergert <chergert redhat com>
Date:   Thu Jan 6 12:11:13 2022 -0800

    build: bump GtkSourceView requirement
    
    This was just released, so we can depend on the version number now.

 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index 5174743..7655396 100644
--- a/meson.build
+++ b/meson.build
@@ -18,7 +18,7 @@ endif
 # Check dependencies
 glib_req_version = '2.69'
 gtk_req_version = '4.4'
-gtksourceview_req_version = '5.3'
+gtksourceview_req_version = '5.3.1'
 enchant_req_version = '2.2.0'
 
 glib_req = '>= @0@'.format(glib_req_version)