Bump furo from 2023.9.10 to 2024.5.6

Bumps [furo](https://github.com/pradyunsg/furo) from 2023.9.10 to 2024.5.6.
- [Release notes](https://github.com/pradyunsg/furo/releases)
- [Changelog](https://github.com/pradyunsg/furo/blob/main/docs/changelog.md)
- [Commits](pradyunsg/furo@2023.09.10...2024.05.06)

---
updated-dependencies:
- dependency-name: furo
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]