transformers

5089a2d4 - Bump notebook in /examples/research_projects/visual_bert (#17742)

Bump notebook in /examples/research_projects/visual_bert (#17742) Bumps [notebook](http://jupyter.org) from 6.4.10 to 6.4.12. --- 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>