Bump notebook from 7.2.1 to 7.2.2 in /notebooks

Bumps [notebook](https://github.com/jupyter/notebook) from 7.2.1 to 7.2.2.
- [Release notes](https://github.com/jupyter/notebook/releases)
- [Changelog](https://github.com/jupyter/notebook/blob/@jupyter-notebook/tree@7.2.2/CHANGELOG.md)
- [Commits](https://github.com/jupyter/notebook/compare/@jupyter-notebook/tree@7.2.1...@jupyter-notebook/tree@7.2.2)

---
updated-dependencies:
- dependency-name: notebook
  dependency-type: indirect
...

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