Bump furo from 2023.5.20 to 2023.7.26

Bumps [furo](https://github.com/pradyunsg/furo) from 2023.5.20 to 2023.7.26.
- [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...2023.07.26)

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

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

Author: dependabot[bot]

setup.cfg

@@ -44,7 +44,7 @@ dev =
 docs =
     sphinx<8
     sphinx-issues<4
-    furo==2023.5.20
+    furo==2023.7.26
 
 [isort]
 profile = black