v0.3.0

Add Python 3.13 and 3.14 support

Changes:

• Upgraded PyO3 from 0.20.0 to 0.27 for Python 3.13/3.14 support
• Migrated to PyO3 Bound API
• Upgraded Maturin from 1.4.0 to 1.8.2
• Removed outdated setup.py