Bump notebook from 6.4.1 to 6.4.10 in /examples/research_projects/lxmert (#16634)
Bumps [notebook](http://jupyter.org) from 6.4.1 to 6.4.10.
---
updated-dependencies:
- dependency-name: notebook
dependency-type: direct:production
...
Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>