Bump jupyterlab from 4.3.5 to 4.4.8 in /Python

---
updated-dependencies:
- dependency-name: jupyterlab
  dependency-version: 4.4.8
  dependency-type: direct:production
...

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

Author: dependabot[bot]

Python/requirements-notebook.txt

@@ -42,7 +42,7 @@ jupyter_client==8.6.3
 jupyter_core==5.7.2
 jupyter_server==2.15.0
 jupyter_server_terminals==0.5.3
-jupyterlab==4.3.5
+jupyterlab==4.4.8
 jupyterlab_pygments==0.3.0
 jupyterlab_server==2.27.3
 kiwisolver==1.4.8