Bump maturin from 1.3.1 to 1.3.2 (#163)

Bumps [maturin](https://github.com/pyo3/maturin) from 1.3.1 to 1.3.2.
- [Release notes](https://github.com/pyo3/maturin/releases)
- [Changelog](https://github.com/PyO3/maturin/blob/main/Changelog.md)
- [Commits](PyO3/maturin@v1.3.1...v1.3.2)

---
updated-dependencies:
- dependency-name: maturin
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>