[gnome-todo] flatpak: Pin gtk4 to 3.98.5

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit b13c592d666c3164bda21da74cd83c2dd5ab4a63
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Thu Jun 18 18:51:17 2020 -0300

    flatpak: Pin gtk4 to 3.98.5
    
    We'll target this release from now on, unless something
    we want lands in the main branch.

 build-aux/flatpak/org.gnome.Todo.json | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/build-aux/flatpak/org.gnome.Todo.json b/build-aux/flatpak/org.gnome.Todo.json
index 303c15f..7a0d235 100644
--- a/build-aux/flatpak/org.gnome.Todo.json
+++ b/build-aux/flatpak/org.gnome.Todo.json
@@ -199,7 +199,8 @@
             "sources": [
                 {
                     "type": "git",
-                    "url": "https://gitlab.gnome.org/GNOME/gtk.git";
+                    "url": "https://gitlab.gnome.org/GNOME/gtk.git";,
+                    "tag": "3.98.5"
                 }
             ]
         },