chore(deps-dev): bump nbconvert from 7.16.5 to 7.16.6

Bumps [nbconvert](https://github.com/jupyter/nbconvert) from 7.16.5 to 7.16.6.
- [Release notes](https://github.com/jupyter/nbconvert/releases)
- [Changelog](https://github.com/jupyter/nbconvert/blob/main/CHANGELOG.md)
- [Commits](https://github.com/jupyter/nbconvert/compare/v7.16.5...v7.16.6)

---
updated-dependencies:
- dependency-name: nbconvert
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

requirements-dev.txt

@@ -22,7 +22,7 @@ isort==5.13.2
 time-machine==2.16.0
 
 # Convert jupyter notebooks to markdown documents
-nbconvert==7.16.5
+nbconvert==7.16.6
 
 # mypy types
 types-cachetools==5.5.0.20240820