Bump furo from 2022.9.29 to 2024.5.6

Bumps [furo](https://github.com/pradyunsg/furo) from 2022.9.29 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@2022.09.29...2024.05.06)

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

Signed-off-by: dependabot[bot] <support@github.com>

docs/requirements.txt

@@ -1,7 +1,7 @@
 sphinx==4.5.0
 breathe==4.35.0
 exhale==0.3.6
-furo==2022.9.29
+furo==2024.5.6
 pydata-sphinx-theme==0.13.3
 numpydoc==1.5.0
 sphinx-panels==0.6.0