Bump furo from 2022.2.23 to 2022.3.4

Bumps [furo](https://github.com/pradyunsg/furo) from 2022.2.23 to 2022.3.4.
- [Release notes](https://github.com/pradyunsg/furo/releases)
- [Changelog](https://github.com/pradyunsg/furo/blob/main/docs/changelog.md)
- [Commits](pradyunsg/furo@2022.02.23...2022.03.04)

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

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Author: dependabot[bot]