v0.3.4

Added

• Support for Python 3.13.

Changed

• Bump pyo3 dependency to v0.23 and remove deprecated interface.
• Bump pyo3-built dependency to v0.6.0.
• Use maturin instead of setuptools-rust to build crate.
• Use PyData Sphinx theme to render the documentation.

Fixed

• Change working directory to access test data in tests.test_doctest.