build(deps): bump the cargo group with 1 update

Bumps the cargo group with 1 update: [pyo3](https://github.com/pyo3/pyo3).


Updates `pyo3` from 0.20.0 to 0.20.2
- [Release notes](https://github.com/pyo3/pyo3/releases)
- [Changelog](https://github.com/PyO3/pyo3/blob/main/CHANGELOG.md)
- [Commits](PyO3/pyo3@v0.20.0...v0.20.2)

---
updated-dependencies:
- dependency-name: pyo3
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: cargo
...

Signed-off-by: dependabot[bot] <[email protected]>