fix: bump notebook from 7.4.2 to 7.4.3

Bumps [notebook](https://github.com/jupyter/notebook) from 7.4.2 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@7.4.2...@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-patch
...

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

Author: dependabot[bot]

requirements.txt

@@ -36,7 +36,7 @@ psycopg2-binary==2.9.10
 
 # Jupyter Notebook Libraries:
 jupyter==1.1.1
-notebook==7.4.2
+notebook==7.4.3
 ipywidgets==8.1.7
 
 # Other Useful Libraries: