Bump traitlets from 5.14.2 to 5.14.3

Bumps [traitlets](https://github.com/ipython/traitlets) from 5.14.2 to 5.14.3.
- [Release notes](https://github.com/ipython/traitlets/releases)
- [Changelog](https://github.com/ipython/traitlets/blob/main/CHANGELOG.md)
- [Commits](ipython/traitlets@v5.14.2...v5.14.3)

---
updated-dependencies:
- dependency-name: traitlets
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

requirements.txt

@@ -81,7 +81,7 @@ soupsieve==2.5
 stack-data==0.6.3
 tinycss2==1.2.1
 tornado==6.4
-traitlets==5.14.2
+traitlets==5.14.3
 wakepy==0.7.2
 wcwidth==0.2.13
 webencodings==0.5.1