Bump pyo3 from 0.16.0 to 0.16.2 in /src/rust/engine (#14924)
Bump pyo3 from 0.16.0 to 0.16.2 in /src/rust/engine (#14924)

Bumps [pyo3](https://github.com/pyo3/pyo3) from 0.16.0 to 0.16.2.
- [Release notes](https://github.com/pyo3/pyo3/releases)
- [Changelog](https://github.com/PyO3/pyo3/blob/main/CHANGELOG.md)
- [Commits](https://github.com/pyo3/pyo3/compare/v0.16.0...v0.16.2)
pantsbuild/pants,benjyw/pants,pantsbuild/pants,pantsbuild/pants,benjyw/pants,pantsbuild/pants,benjyw/pants,benjyw/pants,pantsbuild/pants,benjyw/pants,benjyw/pants,pantsbuild/pants,pantsbuild/pants,benjyw/pants