Bump docker from 3.7.2 to 4.0.1
Bump docker from 3.7.2 to 4.0.1

Bumps [docker](https://github.com/docker/docker-py) from 3.7.2 to 4.0.1.
- [Release notes](https://github.com/docker/docker-py/releases)
- [Commits](https://github.com/docker/docker-py/compare/3.7.2...4.0.1)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
arxiv-vanity/arxiv-vanity,arxiv-vanity/arxiv-vanity,arxiv-vanity/arxiv-vanity,arxiv-vanity/arxiv-vanity