Narwhals v1.1.8

Changes

• skip changelog(deps): bump sigstore/gh-action-sigstore-python from 2.1.1 to 3.0.0 (#634)
• skip changelog(deps): bump actions/setup-python from 4 to 5 (#633)
• removed utils/check_backend_completeness.py (#628)

🚀 Performance improvements

• perf: optimizing arrow to_dummies (#627)

✨ Enhancements

• feat: add collect for dask (#651)
• feat: added dask Expr.__sub__ (#643)
• feat: add starts_with for dask (#648)
• feat: add is_between for dask (#642)
• feat: added dask Expr.__mul__ and test cases (#644)
• feat: add cum_sum for dask (#641)
• feat: add shift for Dask Dataframe (#638)
• feat: Add initial (and very minimal) support for Dask.DataFrame (#635)

🐞 Bug fixes

• fix: fix dask version in dask backend (#640)
• fix dask typo (#639)

🛠️ Other improvements

• chore: remove some pyarrow xfails from tests, further split up (#660)
• chore: enable more lazy tests (#658)
• chore: factor test_std outside test_common (#657)
• chore: enable more lazy tests (#656)
• chore: rename constructor -> constructor_eager, constructor_lazy -> constructor (#654)
• chore: factor test_schema and test_collect_schema out of test_common (#655)
• chore: More lazy vs eager separation (#653)
• chore: split eager-only and eager+lazy tests a bit (#652)
• chore: use constructor instead of constructor_series in tests more (#650)
• chore: replace constructor_series with constructor (#649)
• chore: replace constructor_with_series with constructor in gather_every_test (#646)
• ci: Add dependabot (#632)
• chore: allow unknown/extension namespaces for from_dict function (#626)

Thank you to all our contributors for making this release possible!
@DeaMariaLeon, @FBruzzesi, @MarcoGorelli, @aidoskanapyanov, @anopsy, @dependabot, @dependabot[bot], @montanarograziano and @ugohuche