Bump furo from 2023.5.20 to 2023.9.10

Bumps [furo](https://github.com/pradyunsg/furo) from 2023.5.20 to 2023.9.10.
- [Release notes](https://github.com/pradyunsg/furo/releases)
- [Changelog](https://github.com/pradyunsg/furo/blob/main/docs/changelog.md)
- [Commits](pradyunsg/furo@2023.05.20...2023.09.10)

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

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

requirements.txt

@@ -2,7 +2,7 @@ Babel==2.12.1
 configobj==5.0.8
 Flask==2.3.2
 Flask-Babel==3.1.0
-furo==2023.5.20
+furo==2023.9.10
 GPUtil==1.4.0
 IPy==1.01
 m2r2==0.3.3.post2