Bump notebook from 4.4.1 to 5.7.8
Bump notebook from 4.4.1 to 5.7.8

Bumps [notebook](https://github.com/jupyter/jupyterhub) from 4.4.1 to 5.7.8.
- [Release notes](https://github.com/jupyter/jupyterhub/releases)
- [Changelog](https://github.com/jupyterhub/jupyterhub/blob/master/CHECKLIST-Release.md)
- [Commits](https://github.com/jupyter/jupyterhub/commits)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
0bserver07/One-Hundred-Layers-Tiramisu