Bump jupyterlab from 4.0.11 to 4.2.5 in /samples/python (#122)

Bumps [jupyterlab](https://github.com/jupyterlab/jupyterlab) from 4.0.11 to 4.2.5.
- [Release notes](https://github.com/jupyterlab/jupyterlab/releases)
- [Changelog](https://github.com/jupyterlab/jupyterlab/blob/@jupyterlab/lsp@4.2.5/CHANGELOG.md)
- [Commits](https://github.com/jupyterlab/jupyterlab/compare/@jupyterlab/lsp@4.0.11...@jupyterlab/lsp@4.2.5)

---
updated-dependencies:
- dependency-name: jupyterlab
  dependency-type: direct:production
...

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samples/python/requirements.txt

@@ -3,4 +3,4 @@ numpy==1.26.3
 pyopencl==2023.1.4
 pillow==10.3.0
 
-jupyterlab==4.0.11
+jupyterlab==4.2.5