Update dependency traitlets to v5.4.0

This MR contains the following updates:

Package	Type	Update	Change
traitlets	ironbank-pypi	minor	5.0.5 -> 5.4.0

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Release Notes

ipython/traitlets

v5.4.0

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What's Changed

• Fix version_info by @​minrk in https://github.com/ipython/traitlets/pull/749

• Make generated config files more lintable by @​minrk in https://github.com/ipython/traitlets/pull/750

• Fix union from string by @​krassowski in https://github.com/ipython/traitlets/pull/773

• Cover more Union parsing scenarios by @​krassowski in https://github.com/ipython/traitlets/pull/774

• Upgrade GitHub Actions by @​cclauss in https://github.com/ipython/traitlets/pull/760

• Fix and refactor downstream tests by @​blink1073 in https://github.com/ipython/traitlets/pull/767

• Test only the server part of notebook by @​blink1073 in https://github.com/ipython/traitlets/pull/769

• Add security.md, and tidelift bage by @​Carreau in https://github.com/ipython/traitlets/pull/771

New Contributors

• @​krassowski made their first contribution in https://github.com/ipython/traitlets/pull/773

Full Changelog: https://github.com/ipython/traitlets/compare/5.3.0...5.4.0

v5.3.0

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What's Changed

• Fix traitlet name in docstring by @​fcollonval in https://github.com/ipython/traitlets/pull/745
• Re-support multiple-alias key for ArgParseConfigLoader by @​azjps in https://github.com/ipython/traitlets/pull/687

New Contributors

• @​fcollonval made their first contribution in https://github.com/ipython/traitlets/pull/745
• @​azjps made their first contribution in https://github.com/ipython/traitlets/pull/687

Full Changelog: https://github.com/ipython/traitlets/compare/5.2.2...5.3.0

v5.2.2.post1

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v5.2.2

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What's Changed

• Make all explicit and validate in test by @​blink1073 in https://github.com/ipython/traitlets/pull/737
• Fix KeyError in Application.get_default_logging_config by @​tonyroberts in https://github.com/ipython/traitlets/pull/724

New Contributors

• @​tonyroberts made their first contribution in https://github.com/ipython/traitlets/pull/724

Full Changelog: https://github.com/ipython/traitlets/compare/5.2.1...5.3.0

v5.2.1.post0

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v5.2.1

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What's Changed

• Switch to hatch backend by @​blink1073 in https://github.com/ipython/traitlets/pull/728
• logging: don't attempt to close handlers unless they have been opened by @​oliver-sanders in https://github.com/ipython/traitlets/pull/727

Full Changelog: https://github.com/ipython/traitlets/compare/5.2.0...5.2.1

v5.2.0

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What's Changed

• Add mypy support by @​blink1073 in https://github.com/ipython/traitlets/pull/705

• Disambiguate the use of the term value in the example. by @​metaperl in https://github.com/ipython/traitlets/pull/694

• Correct spelling and grammar errors. by @​metaperl in https://github.com/ipython/traitlets/pull/695

• DOC: Add log example by @​Carreau in https://github.com/ipython/traitlets/pull/693

• Put description of signature_has_traits after the header for it. by @​metaperl in https://github.com/ipython/traitlets/pull/711

• Application: add logging_config trait by @​oliver-sanders in https://github.com/ipython/traitlets/pull/698

• [DOC] Give explicit list of private symbols for 5.0 by @​vidartf in https://github.com/ipython/traitlets/pull/692

• Add pre-commit and run auto-formatters by @​blink1073 in https://github.com/ipython/traitlets/pull/699

• Fix downstream test by @​blink1073 in https://github.com/ipython/traitlets/pull/701

• Add docs on pre-commit and use manual hooks where appropriate by @​blink1073 in https://github.com/ipython/traitlets/pull/700

• Set up flake8 by @​blink1073 in https://github.com/ipython/traitlets/pull/703

• Typing: tell mypy we have type, update all. by @​Carreau in https://github.com/ipython/traitlets/pull/713

• Improve CI by @​blink1073 in https://github.com/ipython/traitlets/pull/706

• Fix typing errors by @​blink1073 in https://github.com/ipython/traitlets/pull/718

• Use flit build backend by @​blink1073 in https://github.com/ipython/traitlets/pull/720

• Add Changelog Entry for 5.2.0 by @​blink1073 in https://github.com/ipython/traitlets/pull/717

New Contributors

• @​metaperl made their first contribution in https://github.com/ipython/traitlets/pull/694
• @​blink1073 made their first contribution in https://github.com/ipython/traitlets/pull/699
• @​oliver-sanders made their first contribution in https://github.com/ipython/traitlets/pull/698

Full Changelog: https://github.com/ipython/traitlets/compare/5.1.1...5.2.0

v5.1.1

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v5.1.0

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