v0.8.4

What's Changed

• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in #64
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in #66
• Upgrade yrs, pyo3 and maturin by @davidbrochart in #69

Full Changelog: v0.8.3...v0.8.4