[issue42519] [C API] Upgrade the C API in extension modules

[STINNER Victor]

Change by STINNER Victor <vstinner at python.org>:


----------
pull_requests: +22461
pull_request: https://github.com/python/cpython/pull/23587

_______________________________________
Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue42519>
_______________________________________