Bump polars from 1.6.0 to 1.7.1 (#1624)

Bumps [polars](https://github.com/pola-rs/polars) from 1.6.0 to 1.7.1.
- [Release notes](https://github.com/pola-rs/polars/releases)
- [Commits](pola-rs/polars@py-1.6.0...py-1.7.1)

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

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

setup.py

@@ -29,7 +29,7 @@
     "pandas==2.2.2",
     "pathlib",
     "plotly==5.24.1",
-    "polars==1.6.0",
+    "polars==1.7.1",
     "polars[timezone]",
     "pyarrow==17.0.0",
     "pylint==3.3.0",