Bump jupyterlab from 3.4 to 3.6.7

Bumps [jupyterlab](https://github.com/jupyterlab/jupyterlab) from 3.4 to 3.6.7.
- [Release notes](https://github.com/jupyterlab/jupyterlab/releases)
- [Changelog](https://github.com/jupyterlab/jupyterlab/blob/main/CHANGELOG.md)
- [Commits](https://github.com/jupyterlab/jupyterlab/compare/@jupyterlab/vdom@3.4.0...@jupyterlab/vdom@3.6.7)

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

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

requirements.txt

@@ -11,7 +11,7 @@ ipytree==0.2.1
 ipyvolume==0.6.0a8
 ipyvuetify==1.8.2
 ipywidgets==7.7.1
-jupyterlab==3.4
+jupyterlab==3.6.7
 mpl-interactions==0.22.0
 numpy
 orjson==3.7.7