Bump altair from 5.4.0 to 5.4.1

[dependabot[bot]]

Bumps altair from 5.4.0 to 5.4.1.

Release notes

Sourced from altair's releases.

Version 5.4.1

What's Changed

Enhancements

• feat(typing): Generate Literal aliases in channels overload(s) by @​dangotbanned in vega/altair#3535
• feat(typing): Generate Literal(s) using "const" by @​dangotbanned in vega/altair#3538

Bug Fixes

• fix: Raise informative error message if a non-existent column name is passed by @​MarcoGorelli in vega/altair#3533
• revert: Remove sphinx version constraint by @​dangotbanned in vega/altair#3541
• fix: Pass native dataframe to data transformers by @​MarcoGorelli in vega/altair#3550
• fix: Resolve Then copy TypeError by @​dangotbanned in vega/altair#3553

Documentation

• docs: Explain the title frame attribute by @​dsmedia in vega/altair#3537

Other Changes

• ci: bump ruff>=0.6.0 by @​dangotbanned in vega/altair#3539
• ci: Remove m2r from mypy.overrides by @​dangotbanned in vega/altair#3540
• refactor: Simplify SchemaBase.copy by @​dangotbanned in vega/altair#3543
• fix(typing): Resolve misc type ignores in schemapi.py by @​dangotbanned in vega/altair#3545
• test: Rename test to more specific chart_error_example__four_errors_hide_fourth by @​dangotbanned in vega/altair#3546
• test: Shorten test_chart_validation_errors test ids by @​dangotbanned in vega/altair#3551
• refactor: Replace an indirect SchemaBase import by @​dangotbanned in vega/altair#3556
• test: Fix deprecation warning from ipywidgets by @​dangotbanned in vega/altair#3557

Full Changelog: https://github.com/vega/altair/compare/v5.4.0...v5.4.1

Commits

• 1ad3648 chore: Bump version to 5.4.1
• e543fbc test: Fix deprecation warning from ipywidgets (#3557)
• bf7fc29 fix: Resolve Then copy TypeError (#3553)
• 49c8f9a refactor: Replace an indirect SchemaBase import (#3556)
• c984002 fix: Pass native dataframe to data transformers (#3550)
• 5de5138 test: Shorten test_chart_validation_errors test ids (#3551)
• 591bf40 test: Rename test to more specific `chart_error_example__four_errors_hide_fou...
• c7e1e83 fix(typing): Resolve misc type ignores in schemapi.py (#3545)
• c9f9438 refactor: Simplify SchemaBase.copy (#3543)
• 635a2ec revert: Remove sphinx version constraint (#3541)
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