Log Message:
py-gobject3: updated to 3.36.1

3.36.1:
* tests: Fix failing tests with pytest 5.4.0+
* Gtk: Add override to make sure both TreeModelSort.new_with_model and
  TreeModel.sort_new_with_model exist independend of the gtk version
* Gtk.Template: Fix initialisation order errors with Widgets getting created from C
  (potentially through other templates)
* Gtk.Template: Fix errors when calling init_template() multiple times