Bump jupyterlab from 4.1.2 to 4.1.5

Bumps [jupyterlab](https://github.com/jupyterlab/jupyterlab) from 4.1.2 to 4.1.5.
- [Release notes](https://github.com/jupyterlab/jupyterlab/releases)
- [Changelog](https://github.com/jupyterlab/jupyterlab/blob/@jupyterlab/[email protected]/CHANGELOG.md)
- [Commits](https://github.com/jupyterlab/jupyterlab/compare/@jupyterlab/[email protected]...@jupyterlab/[email protected])

---
updated-dependencies:
- dependency-name: jupyterlab
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

dev-requirements-jl4.txt

@@ -1,3 +1,3 @@
 -r dev-requirements.txt
-jupyterlab==4.1.2
+jupyterlab==4.1.5
 jupyter_server==2.13.0