Bump pyo3 from 0.21.1 to 0.21.2 (#1163)

Bumps [pyo3](https://github.com/pyo3/pyo3) from 0.21.1 to 0.21.2.
- [Release notes](https://github.com/pyo3/pyo3/releases)
- [Changelog](https://github.com/PyO3/pyo3/blob/v0.21.2/CHANGELOG.md)
- [Commits](PyO3/pyo3@v0.21.1...v0.21.2)

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

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

Cargo.toml

@@ -60,7 +60,7 @@ smallvec = { version = "1.0", features = ["union"] }
 rustworkx-core = { path = "rustworkx-core", version = "=0.15.0" }
 
 [dependencies.pyo3]
-version = "0.21.1"
+version = "0.21.2"
 features = ["abi3-py38", "extension-module", "hashbrown", "num-bigint", "num-complex", "indexmap"]
 
 [dependencies.ndarray]