- Add macos-15 CI builds for Python 3.9-3.13 - Update MACOSX_DEPLOYMENT_TARGET from 11.0/13.3 to 14.0 for broader compatibility - Addresses issue #34 with Mac M4 wheel compatibility 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>