Add python_requires to package metadata (#23604)
### Description
Support for python 3.8 and python 3.9 was dropped at 1.20. Declare the
3.10 requirement in metadata
### Motivation and Context
Helps solvers like uv and poetry to build accurate solutions eg see
https://github.com/python-poetry/poetry/issues/10151,
https://github.com/astral-sh/uv/issues/11274
