[3.12] gh-125519: Improve traceback if `importlib.reload()` is called with a non-module object (GH-125520) (#125769)

gh-125519: Improve traceback if `importlib.reload()` is called with a non-module object (GH-125520)
(cherry picked from commit c5c21fee7ae1ea689a351caa454c98e716a6e537)

Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>