[3.12] Fix the documentation for PyCode_New add `qualname` parameter (GH-107186) (#107440)

Fix the documentation for PyCode_New add `qualname` parameter (GH-107186)
(cherry picked from commit f2abeb590dae5918388f91b60b31f040d44218f0)

Co-authored-by: da-woods <dw-git@d-woods.co.uk>