python: add v3.12.2, v3.12.3

[s-sajid-ali]

Fixes #43430, Reference: python/cpython#118873

Additionally, do not pass the --with-system-ffi flag from version 3.12.0 per https://github.com/python/cpython/blob/main/Misc/NEWS.d/3.12.0a4.rst

[alalazo]

Thanks for pointing this out. I think we should review also the ctypes variant and related rules in view of the changelog you posted.

[s-sajid-ali]

Some relevant pointers:

• From Python-3.7, libffi was no longer bundled for use when building _ctypes on non-OSX UNIX platforms per https://docs.python.org/3/whatsnew/changelog.html#id505.
• Python-3.12 started using pkg-config to detect libffi per https://docs.python.org/3/whatsnew/changelog.html#id147

We always require libffi and pkgconfig when using +ctypes when not on windows, which seems to be the only platform where one can build with ~ctypes. Should ctypes only be a variant for windows then? Or can it be turned off for linux/os-x?