Narwhals v1.1.2

Changes

• added arrow is_in, changed the names of test folders (#545)

✨ Enhancements

• feat: arrow series sample (#550)
• feat: arrow series zip_with (#548)

📖 Documentation

• docs: add note about funding to readme (#554)
• docs: fix link for community cal (#553)

🛠️ Other improvements

• chore: refactor agg_arrow (#549)

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