build: update polars requirement from <0.20.3,>=0.20.1 to >=0.20.1,<0.20.6

[dependabot[bot]]

Updates the requirements on polars to permit the latest version.

Release notes

Sourced from polars's releases.

Python Polars 0.20.5

⚠️ Deprecations

• Deprecate default delimiter value for str.concat (#13690)
• Rename pl.count() to pl.len() (#13719)
• Deprecate dt.with_time_unit in favor of cast(pl.Int64).cast(pl.Datetime(time_unit, time_zone)) (#13667)

🚀 Performance improvements

• directly embed data ptr in Buffer (#13744)

✨ Enhancements

• Impl count_matches for array namespace (#13675)
• Add nulls_last for list/array.sort (#13795)
• convert fixed-offset timezones to respective Etc timezone from time zone database (#13738)
• allow read_excel to load from remote http locations (#13753)
• Expressify str.slice (#13747)
• implement binview for polars-row (#13736)
• implement binview for polars-json (#13737)
• add architecture for polars-flavored IPC (#13734)
• implement binview comparison kernels (#13715)
• raise default frame/series repr height from 8 to 10 (#13699)

🐞 Bug fixes

• do not read data for zero-length compressed buffer (#13791)
• Fix the non-null test of transpose (#13783)
• Raise error instead of panic when joining on wildcard/nth (#13742)
• str.concat correctly ignore single null value (#13751)
• Selectors by_name and by_dtype should allow empty list as input (#11024)
• Keep Series attributes docstrings when read by Sphinx (#13731)
• fix error message when creating DataFrame from 0-dimensional NumPy array (#13729)
• support corr() for single-column DataFrames (#13728)
• Use NonZeroUsize for batch_size parameter in write_csv/sink_csv/scan_ndjson (#13726)
• error instead of panicking in sql if empty function (#13691)

📖 Documentation

• Fix typo in deprecation message of with_row_count (#13793)
• Fix incorrect "coming from pandas" syntax (#13767)
• Improve streaming section of the user guide (#13750)
• improve n_unique and approx_n_unique docs (#13752)
• add missing Series.str.find reference (#13717)
• Be more explicit about behaviour in str.strip_chars / strip_chars_start / strip_chars_end docstrings (#13697)
• Add doc example for datetime_ranges (#13695)
• document %A and %B to get day name and month name (#13678)

🛠️ Other improvements

... (truncated)

Commits

• c9a1468 release(python): Python Polars 0.20.5 (#13798)
• 5fbce48 feat: Impl count_matches for array namespace (#13675)
• 14440ca docs: Fix typo in deprecation message of with_row_count (#13793)
• 6444dfa depr(python): Deprecate default delimiter value for str.concat (#13690)
• 7953b9a feat: Add nulls_last for list/array.sort (#13795)
• a07e950 fix: do not read data for zero-length compressed buffer (#13791)
• f83c413 fix: Fix the non-null test of transpose (#13783)
• be04ba2 fix: Raise error instead of panic when joining on wildcard/nth (#13742)
• 45e4ce8 feat(rust!): Rename drop_columns to drop (#13754)
• 0fbed85 refactor: Make pl.duration non-anonymous (#13762)
• Additional commits viewable in compare view

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[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (0179fa8) 100.00% compared to head (2d17db3) 100.00%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #664 +/- ## ========================================= Coverage 100.00% 100.00% ========================================= Files 54 54 Lines 2357 2357 Branches 588 588 ========================================= Hits 2357 2357 ```

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[dependabot[bot]]

Superseded by #667.