[3.14] gh-140487: Fix Py_RETURN_NOTIMPLEMENTED in limited C API 3.11 (GH-140636) (#140668)

gh-140487: Fix Py_RETURN_NOTIMPLEMENTED in limited C API 3.11 (GH-140636)

Py_RETURN_NONE, Py_RETURN_TRUE and Py_RETURN_FALSE have already been
fixed by commit 9258f3da9175134d03f2c8c7c7eed223802ad945 (issue gh-134989).
(cherry picked from commit c6364775236e3c634c3393c7f50fece50611245f)

Co-authored-by: Victor Stinner <vstinner@python.org>