Bump nbconvert from 7.14.2 to 7.16.0

Bumps [nbconvert](https://github.com/jupyter/nbconvert) from 7.14.2 to 7.16.0.
- [Release notes](https://github.com/jupyter/nbconvert/releases)
- [Changelog](https://github.com/jupyter/nbconvert/blob/main/CHANGELOG.md)
- [Commits](jupyter/nbconvert@v7.14.2...v7.16.0)

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

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

setup.py

@@ -36,7 +36,7 @@
         'pyiron_atomistics==0.4.14',
         'ipywidgets==8.1.1',
         'matplotlib==3.8.2',
-        'nbconvert==7.14.2',
+        'nbconvert==7.16.0',
         'nbformat==5.9.2',
         'numpy==1.26.3',
         'pandas==2.2.0',