[EZ] Set maximum supported version of Python as 3.12 (#119743)
Doesn't really affect anything other than metadata on PyPI website
Otherwise programming languages tab on https://pypi.org/project/torch/2.2.0/ shows supported version 3.8 to 3.10:
<img width="239" alt="image" src="https://github.com/pytorch/pytorch/assets/2453524/e17f9982-8833-4cd8-b8d8-b2f1cb538548">
Pull Request resolved: https://github.com/pytorch/pytorch/pull/119743
Approved by: https://github.com/kit1980, https://github.com/Skylion007
