docs: render protected Traversable methods

pick7 · pick7 · commit 7de9ea7f298b · 2026-07-26T01:46:13.000+08:00
diff --git a/doc/source/reference.rst b/doc/source/reference.rst
@@ -91,6 +91,7 @@ Objects.Util
 .. automodule:: git.objects.util
    :members:
    :undoc-members:
+   :private-members: _get_intermediate_items, _list_traverse, _traverse
    :special-members:
 
 Index.Base
