Build(deps): Update polars requirement from 0.46.0 to 0.50.0

[dependabot]

Updates the requirements on polars to permit the latest version.

Release notes

Sourced from polars's releases.

Rust Polars 0.50.0

🏆 Highlights

• Make Selector a concrete part of the DSL (#23351)
• Rework Categorical/Enum to use (Frozen)Categories (#23016)

🚀 Performance improvements

• Lower Expr.slice to streaming engine (#23683)
• Elide bound check (#23653)
• Preserve Column repr in ColumnTransform operations (#23648)
• Lower any() and all() to streaming engine (#23640)
• Lower row-separable functions in streaming engine (#23633)
• Lower int_range(len()) to with_row_index (#23576)
• Avoid double field resolution in with_columns (#23530)
• Rolling quantile lower time complexity (#23443)
• Use single-key optimization with Categorical (#23436)
• Improve null-preserving identification for boolean functions (#23317)
• Improve boolean bitwise aggregate performance (#23325)
• Enable Parquet expressions and dedup is_in values in Parquet predicates (#23293)
• Re-write join types during filter pushdown (#23275)
• Generate PQ ZSTD decompression context once (#23200)
• Trigger cache/cse optimizations when multiplexing (#23274)
• Cache FileInfo upon DSL -> IR conversion (#23263)
• Push more filters past joins (#23240)

✨ Enhancements

• Expand on DataTypeExpr (#23249)
• Lower row-separable functions in streaming engine (#23633)
• Add scalar checks to range expressions (#23632)
• Expose POLARS_DOT_SVG_VIEWER to automatically dispatch to SVG viewer (#23592)
• Implement mean function in arr namespace (#23486)
• Implement vec_hash for List and Array (#23578)
• Add unstable pl.row_index() expression (#23556)
• Add Categories on the Python side (#23543)
• Implement partitioned sinks for the in-memory engine (#23522)
• Expose IRFunctionExpr::Rank in the python visitor (#23512)
• Raise and Warn on UDF's without return_dtype set (#23353)
• IR pruning (#23499)
• Expose IRFunctionExpr::FillNullWithStrategy in the python visitor (#23479)
• Support min/max reducer for null dtype in streaming engine (#23465)
• Implement streaming Categorical/Enum min/max (#23440)
• Allow cast to Categorical inside list.eval (#23432)
• Support pathlib.Path as source for read/scan_delta() (#23411)
• Enable default set of ScanCastOptions for native scan_iceberg() (#23416)
• Pass payload in ExprRegistry (#23412)
• Support reading nanosecond/Int96 timestamps and schema evolved datasets in scan_delta() (#23398)
• Support row group skipping with filters when cast_options is given (#23356)
• Execute bitwise reductions in streaming engine (#23321)

... (truncated)

Commits

• 0478b35 Python Polars 1.32 (#23828)
• 2ffebfd fix: Allow encoding of pl.Enum with smaller physicals (#23829)
• b2b6248 fix: Filter sorted flag from physical in CategoricalChunked (#23827)
• 58accb3 feat(python): Ensure CachingCredentialProvider returns copied credentials d...
• f2c0eac feat(python): Change typing for .remote() from LazyFrameExt to `LazyFrame...
• fab59cb perf: Lower extend_constant to the streaming engine (#23824)
• 36d3bfd build(python): Workaround for pyiceberg make requirements on Python 3.13 (#...
• 0f87392 ci: Automatically tag PRs mentioning "SQL" with the appropriate label (#23816)
• 9710467 chore: Update typos package (#23818)
• ae11046 fix: Remove accidental todo! in repeat node (#23822)
• Additional commits viewable in compare view

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[dependabot]

Superseded by #28.