chore(deps): update traitlets requirement from >=5.15.0 to >=5.16.1

[dependabot]

Updates the requirements on traitlets to permit the latest version.

Release notes

Sourced from traitlets's releases.

v5.16.1

5.16.1

(Full Changelog)

Merged PRs

• Re-add _merge to un-break spyder temporarily. #963 (@​Carreau, @​ccordoba12)

Contributors to this release

The following people contributed discussions, new ideas, code and documentation contributions, and review. See our definition of contributors.

(GitHub contributors page for this release)

@​Carreau (activity) | @​ccordoba12 (activity)

Changelog

Sourced from traitlets's changelog.

5.16.1

(Full Changelog)

Merged PRs

• Re-add _merge to un-break spyder temporarily. #963 (@​Carreau, @​ccordoba12)

Contributors to this release

The following people contributed discussions, new ideas, code and documentation contributions, and review. See our definition of contributors.

(GitHub contributors page for this release)

@​Carreau (activity) | @​ccordoba12 (activity)

5.16.0

(Full Changelog)

Enhancements made

• Add Path trait for pathlib.Path values #941 (@​SAY-5, @​Carreau)

Bugs fixed

• Remove hatch --lf fallback that could mask test failures #958 (@​Carreau, @​claude)
• Fix three correctness bugs found in code review by claude Fable #946 (@​Carreau, @​claude)

Maintenance and upkeep improvements

• Add a document of 'best practices' on designing with traitlets #957 (@​yuvipanda, @​Carreau)
• install hatch via uv to speedup ci #954 (@​Carreau)
• Update pre-commit hooks and fix the resulting fallout #952 (@​Carreau, @​claude)
• Harden mypy/ruff tooling and improve typing #951 (@​Carreau, @​claude)
• Remove tests_check job from CI workflow #950 (@​Carreau, @​claude)
• Require mypy>=1.20 and fix reveal_type assertions #949 (@​Carreau, @​claude)
• Fix broken examples and wrong docstrings in documentation, deprecate old aliases CLong/Long. #948 (@​Carreau, @​claude)
• Remove dead code and stale Python 2 leftovers (with the help of Claude Fable) #947 (@​Carreau)
• Require Python 3.10 and support pytest 9 #931 (@​cjwatson, @​Carreau)

Other merged PRs

• Remove enforce-label workflow #960 (@​Carreau, @​claude)
• Disable Node.js setup in CI workflows #959 (@​Carreau, @​claude)
• Bump the actions group with 2 updates #955 (@​Carreau)
• not funded by numfocus anymore #944 (@​Carreau, @​minrk)

... (truncated)

Commits

• 7beeb10 Publish 5.16.1
• 0f8dba1 Re-add _merge to un-break spyder temporarily.
• dfad195 Publish 5.16.0
• 6317a44 Rename 'tips' to 'best practices'
• 09ff15b style: pre-commit fixes
• 5d2c345 Add a document of 'tips' on designing with traitlets
• a531a13 ci: speed up test workflow setup
• 9b58514 ci: skip node install in base-setup for pure-Python workflows
• 5ce02c7 Remove enforce-label workflow
• 6ce8877 Remove hatch --lf fallback that could mask test failures
• Additional commits viewable in compare view

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