Python Polars 0.19.10

⚠️ Deprecations

• Deprecate DataType.is_nested (#11844)

🚀 Performance improvements

• fix accidental quadratic behavior; cache null_count (#11889)
• fix quadratic behavior in append sorted check (#11893)
• optimise read_database Databricks queries made using SQLAlchemy connections (#11885)
• properly push down slice before left/asof join (#11854)

✨ Enhancements

• Introduce list.sample (#11845)
• don't require empty config for cloud scan_parquet (#11819)

🐞 Bug fixes

• use physical append (#11894)
• Add include_nulls parameter to update (#11830)
• recursively apply cast_unchecked in lists (#11884)
• recursively check allowed streaming dtypes (#11879)
• Frame slicing single column (#11825)
• fix project pushdown for double projection contains count (#11843)
• Propagate validity when cast primitive to list (#11846)
• Edge cases for list count formatting (#11780)

🛠️ Other improvements

• Further assert utils refactor (#11888)
• load 40x40 avatar from github and add loading=lazy attribute. (#11886)
• Fix Cargo warning for parquet2 dependency (#11882)
• Allow manual trigger for docs deployment (#11881)
• add section about plugins (#11855)
• fix incorrect example of valid time zones (#11873)
• fix typo in code example in section Expressions - Basic operators (#11848)
• Bump docs dependencies (#11852)
• add missing polars-ops tests to CI (#11859)
• Assert utils refactor (#11813)

Thank you to all our contributors for making this release possible!
@Walnut356, @alexander-beedie, @dannyvankooten, @dependabot, @dependabot[bot], @ewoolsey, @jrycw, @mcrumiller, @nameexhaustion, @orlp, @reswqa, @ritchie46, @rjthoen, @romanovacca and @stinodego