Bug report

Bug description:

Python now requires 3.10 to build itself, becausematch case statements have begun proliferating in the cpython repository. However, the Windows build still thinks 3.9 is enough, which results in a build error on a standard Visual Studio 2022 environment.

CPython versions tested on:

CPython main branch

Operating systems tested on:

No response

Linked PRs

• gh-122573: Require Python 3.10 or newer for Windows builds #122574
• [3.13] gh-122573: Require Python 3.10 or newer for Windows builds (GH-122574) #122674
• [3.12] gh-122573: Require Python 3.10 or newer for Windows builds (GH-122574) #122677