[Snyk] Upgrade @jupyterlab/apputils-extension from 4.0.0-alpha.6 to 4.3.5#4

Codes-Exe wants to merge 1 commit intomasterBraverClient/jupyterlab:masterfrom

snyk-upgrade-8609f1ce04bf12bf92f7397b105390ebBraverClient/jupyterlab:snyk-upgrade-8609f1ce04bf12bf92f7397b105390ebCopy head branch name to clipboard