Narwhals v0.9.27

Changes

• add tpch q21 notebook, remove outdated scripts (#398)
• patch: pandas-like drop hotfix (#394)

✨ Enhancements

• feat: some pyarrow dataframe methods (#404)

🐞 Bug fixes

• fix: dtype could not be passed to Series.array (#403)
• fix: raise if complex pandas aggregation would return empty results (#397)

📖 Documentation

• docs: dataframe docstring via template (#395)

📦 Build system

• build: try reducing wheel size (#405)

🛠️ Other improvements

• chore: make from_iterable private (#399)
• chore: factor sort_test out of test_common (#400)

Thank you to all our contributors for making this release possible!
@FBruzzesi and @MarcoGorelli