Bump notebook from 7.3.1 to 7.4.3

Bumps [notebook](https://github.com/jupyter/notebook) from 7.3.1 to 7.4.3.
- [Release notes](https://github.com/jupyter/notebook/releases)
- [Changelog](https://github.com/jupyter/notebook/blob/@jupyter-notebook/tree@7.4.3/CHANGELOG.md)
- [Commits](https://github.com/jupyter/notebook/compare/@jupyter-notebook/tree@7.3.1...@jupyter-notebook/tree@7.4.3)

---
updated-dependencies:
- dependency-name: notebook
  dependency-version: 7.4.3
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements.txt

@@ -49,7 +49,7 @@ nbclient==0.7.2
 nbconvert==7.16.5
 nbformat==5.7.3
 nest-asyncio==1.5.6
-notebook==7.3.1
+notebook==7.4.3
 notebook_shim==0.2.4
 numpy==1.24.4
 packaging==23.0