Bump polars from 0.18.8 to 0.18.9 in /jupyter (#376)

Bumps [polars](https://github.com/pola-rs/polars) from 0.18.8 to 0.18.9.
- [Release notes](https://github.com/pola-rs/polars/releases)
- [Commits](pola-rs/polars@py-0.18.8...py-0.18.9)

---
updated-dependencies:
- dependency-name: polars
  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>

Author: dependabot[bot]

jupyter/requirements.txt

@@ -25,7 +25,7 @@ jsonschema
 
 # New age!
 lancedb==0.1.2
-polars==0.18.8
+polars==0.18.9
 pylance==0.5.3
 
 # Kubeflow