Bump polars from 0.13.5 to 0.14.4

Bumps [polars](https://github.com/pola-rs/polars) from 0.13.5 to 0.14.4.
- [Release notes](https://github.com/pola-rs/polars/releases)
- [Changelog](https://github.com/pola-rs/polars/blob/master/CHANGELOG.md)
- [Commits](pola-rs/polars@py-polars-v0.13.5...py-polars-v0.14.4)

---
updated-dependencies:
- dependency-name: polars
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

setup.py

@@ -16,7 +16,7 @@
         "numpy>=1.19.4,<1.22.0",
         "pandas>=1.2,<1.4",
         "ipython>=7.3.0",
-        "polars>=0.13.0,<0.14.0",
+        "polars>=0.13.0,<0.15.0",
     ],
     extras_require={"geo": ["geopandas>=0.8.1,<0.11.0"]},
     python_requires=">=3.7",