fix: requirements-dev.txt to reduce vulnerabilities

The following vulnerabilities are fixed by pinning transitive dependencies:
- https://snyk.io/vuln/SNYK-PYTHON-JUPYTERLAB-13053585

Author: snyk-bot

requirements-dev.txt

@@ -16,3 +16,4 @@ lintrunner-adapters>=0.12.3
 # Edit additional linter dependencies in requirements-lintrunner.txt
 # Dependencies for the reference implementation.
 -r requirements-reference.txt
+jupyterlab>=4.4.8 # not directly required, pinned by Snyk to avoid a vulnerability