[gnome-builder] Update POTFILES.in

[Piotr Drąg <piotrdrag src gnome org>]

commit 5ad58bc2948221e9d776627ce0ee7a1191b2cad2
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Tue Jul 26 13:09:39 2022 +0200

    Update POTFILES.in

 po/POTFILES.in | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/po/POTFILES.in b/po/POTFILES.in
index 416c3cea0..d4f1b7a5f 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -282,6 +282,7 @@ src/plugins/testui/gbp-testui-preferences-addin.c
 src/plugins/testui/gbp-testui-workspace-addin.c
 src/plugins/testui/gtk/menus.ui
 src/plugins/todo/gbp-todo-panel.c
+src/plugins/todo/gbp-todo-panel.ui
 src/plugins/todo/gbp-todo-workspace-addin.c
 src/plugins/update-manager/gbp-update-manager-app-addin.c
 src/plugins/valgrind/gtk/menus.ui