Bump nbconvert from 7.16.3 to 7.16.4

Bumps [nbconvert](https://github.com/jupyter/nbconvert) from 7.16.3 to 7.16.4.
- [Release notes](https://github.com/jupyter/nbconvert/releases)
- [Changelog](https://github.com/jupyter/nbconvert/blob/main/CHANGELOG.md)
- [Commits](jupyter/nbconvert@v7.16.3...v7.16.4)

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

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

requirements.txt

@@ -41,7 +41,7 @@ MarkupSafe==2.1.5
 matplotlib-inline==0.1.6
 mistune==3.0.2
 nbclient==0.10.0
-nbconvert==7.16.3
+nbconvert==7.16.4
 nbformat==5.10.4
 packaging==24.0
 pandocfilters==1.5.1