Flaky test categorical_min_max

[coastalwhite]

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Reproducible example

Seen in the CI.

_______________________ test_categorical_min_max[False] ________________________
[gw2] darwin -- Python 3.12.8 /Users/runner/work/polars/polars/.venv/bin/python3
tests/unit/datatypes/test_categorical.py:1005: in test_categorical_min_max
    assert result.to_dict(as_series=False) == {"a": ["foo"], "b": ["bar"], "c": ["foo"]}
E   AssertionError

Log output

Issue description

Expected behavior

Installed versions

Replace this line with the output of pl.show_versions(). Leave the backticks in place.