Stabilize Python 3.10 wheel builds with cibuildwheel v3

[hoffmang9]

Summary

• run wheel jobs with cibuildwheel==3.2.1 across all Python target matrices, including cp310-*
• use Python 3.12 as the cibuildwheel host interpreter so 3.x requirements are met while still building cp310 wheels
• replace deprecated CIBW_PRERELEASE_PYTHONS with CIBW_ENABLE=cpython-prerelease for Linux/macOS/Windows wheel steps

Test plan

• Trigger build - check - upload on this branch
• Confirm 3.10 wheel jobs (macOS + Windows + Ubuntu) no longer fail in virtualenv bootstrap
• Confirm deprecation warning about prerelease config is gone

Made with Cursor

---

Note

Low Risk
Low risk: changes are limited to the GitHub Actions build workflow, but may affect wheel build/packaging behavior across OS/Python matrices if cibuildwheel or host-Python assumptions differ.

Overview
Updates the wheel build workflow to use cibuildwheel==3.2.1 for the Python 3.10 target (matching the rest of the matrix).

Adjusts CI to run cibuildwheel with a Python 3.12 host interpreter (to satisfy cibuildwheel v3 requirements) while still selecting wheel targets via CIBW_BUILD (including cp310-*). Replaces deprecated CIBW_PRERELEASE_PYTHONS with CIBW_ENABLE=cpython-prerelease for Linux/macOS/Windows wheel jobs.

^{Written by Cursor Bugbot for commit 98cb608. This will update automatically on new commits. Configure here.}