fix: upgrade multiple dependencies with Snyk

Snyk has created this PR to upgrade:
  - @jupyterlab/coreutils from 6.2.4 to 6.2.5.
    See this package in npm: https://www.npmjs.com/package/@jupyterlab/coreutils
  - @jupyterlab/nbformat from 4.2.4 to 4.2.5.
    See this package in npm: https://www.npmjs.com/package/@jupyterlab/nbformat
  - @jupyterlab/services from 6.6.7 to 6.6.8.
    See this package in npm: https://www.npmjs.com/package/@jupyterlab/services
  - @vscode/extension-telemetry from 0.9.6 to 0.9.7.
    See this package in npm: https://www.npmjs.com/package/@vscode/extension-telemetry

See this project in Snyk:
https://app.snyk.io/org/anand-7Txx9hWJUcL7PXWjGuXRhX/project/0db8216b-39d0-46d0-8db4-59c1fad0c479?utm_source=github&utm_medium=referral&page=upgrade-pr