gh-122573: Require Python 3.10 or newer for Windows builds (GH-122574)

Match statements in tooling require a more recent Python. Tools/cases_generator/*.py (and `Tools/jit/*.py` in 3.13+).

Co-authored-by: Erlend E. Aasland <erlend.aasland@protonmail.com>
Co-authored-by: Gregory P. Smith <greg@krypto.org>