Bump jupyterlab from 4.1.6 to 4.2.5 in /requirements

Bumps [jupyterlab](https://github.com/jupyterlab/jupyterlab) from 4.1.6 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@4.1.6...@jupyterlab/lsp@4.2.5)

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

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

requirements/REQUIREMENTS-JUPYTER.txt

@@ -56,7 +56,7 @@ jupyter_client==8.6.2
 jupyter_core==5.7.2
 jupyter_server==2.10.0
 jupyter_server_terminals==0.5.3
-jupyterlab==4.1.6
+jupyterlab==4.2.5
 jupyterlab_pygments==0.3.0
 jupyterlab_server==2.24.0
 jupyterlab_widgets==3.0.13