Bump pyo3 from 0.17.2 to 0.17.3 in /dask_planner (#900)

Bumps [pyo3](https://github.com/pyo3/pyo3) from 0.17.2 to 0.17.3.
- [Release notes](https://github.com/pyo3/pyo3/releases)
- [Changelog](https://github.com/PyO3/pyo3/blob/v0.17.3/CHANGELOG.md)
- [Commits](PyO3/pyo3@v0.17.2...v0.17.3)

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

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

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

dask_planner/Cargo.toml

@@ -19,7 +19,7 @@ env_logger = "0.9"
 log = "^0.4"
 mimalloc = { version = "*", default-features = false }
 parking_lot = "0.12"
-pyo3 = { version = "0.17.2", features = ["extension-module", "abi3", "abi3-py38"] }
+pyo3 = { version = "0.17.3", features = ["extension-module", "abi3", "abi3-py38"] }
 rand = "0.8"
 tokio = { version = "1.0", features = ["macros", "rt", "rt-multi-thread", "sync", "fs", "parking_lot"] }
 uuid = { version = "1.2", features = ["v4"] }