[gtk/wip/chergert/glproto] update todo

[Christian Hergert <chergert src gnome org>]

commit b07c7bc86cfdb3bce6e78d5b5c44d5cf653a6d79
Author: Christian Hergert <chergert redhat com>
Date:   Fri Jan 29 00:02:45 2021 -0800

    update todo

 gsk/next/TODO.md | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/gsk/next/TODO.md b/gsk/next/TODO.md
index d9ad5e5fdb..bd2d556527 100644
--- a/gsk/next/TODO.md
+++ b/gsk/next/TODO.md
@@ -4,4 +4,5 @@
  * Ensure program/uniform sharing is working
  * Add debug tooling for sysprof so we can capture frame information
  * Ensure drivers are disposed when surface is released
+ * weird shadow on hover in widget-factory menu button and about dialog