Merge pull request beeware#237 from beeware/ios-ver-sitecustom

Add ios_ver and _multiarch shims for pip 24.3 support.

Merge branch 'main' into 3.12

Merge branch 'main' into 3.11

Merge branch 'main' into 3.10

Force loading the native sysconfigdata in distutils.sysconfig

Bump to 3.13.0.

Bump to 3.12.7.

Strip xattrs from macOS bundle before archiving.

Update patch to Python 3.12.6.

Also includes updates to:
- XZ 5.6.2
- OpenSSL 3.0.15

3.11.9 was the last macOS binary release.