Bump furo from 2021.11.16 to 2021.11.23
Bump furo from 2021.11.16 to 2021.11.23

Bumps [furo](https://github.com/pradyunsg/furo) from 2021.11.16 to 2021.11.23.
- [Release notes](https://github.com/pradyunsg/furo/releases)
- [Changelog](https://github.com/pradyunsg/furo/blob/main/docs/changelog.md)
- [Commits](https://github.com/pradyunsg/furo/compare/2021.11.16...2021.11.23)

---
updated-dependencies:
- dependency-name: furo
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
sloria/webargs