Bump notebook from 6.5.6 to 7.0.6

Bumps [notebook](https://github.com/jupyter/notebook) from 6.5.6 to 7.0.6.
- [Release notes](https://github.com/jupyter/notebook/releases)
- [Changelog](https://github.com/jupyter/notebook/blob/main/CHANGELOG.md)
- [Commits](https://github.com/jupyter/notebook/compare/v6.5.6...@jupyter-notebook/[email protected])

---
updated-dependencies:
- dependency-name: notebook
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>