build(deps): bump furo from 2023.8.17 to 2024.8.6 in /docs

Bumps [furo](https://github.com/pradyunsg/furo) from 2023.8.17 to 2024.8.6.
- [Release notes](https://github.com/pradyunsg/furo/releases)
- [Changelog](https://github.com/pradyunsg/furo/blob/main/docs/changelog.md)
- [Commits](pradyunsg/furo@2023.08.17...2024.08.06)

---
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]

docs/requirements.txt

@@ -1,2 +1,2 @@
-furo==2023.8.17
+furo==2024.8.6
 sphinx==7.2.2