⬆️ Update furo requirement

Updates the requirements on [furo](https://github.com/pradyunsg/furo) to permit the latest version.
- [Release notes](https://github.com/pradyunsg/furo/releases)
- [Changelog](https://github.com/pradyunsg/furo/blob/main/docs/changelog.md)
- [Commits](pradyunsg/furo@2024.05.06...2024.07.18)

---
updated-dependencies:
- dependency-name: furo
  dependency-type: direct:production
...

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

pyproject.toml

@@ -44,7 +44,7 @@ testing = [
     "defusedxml",
 ]
 
-theme-furo = ["furo~=2024.5.4"]
+theme-furo = ["furo>=2024.5.4,<2024.8.0"]
 theme-pydata = ["pydata-sphinx-theme~=0.15.2"]
 theme-rtd = ["sphinx-rtd-theme~=2.0"]
 theme-sbt = ["sphinx-book-theme~=1.1"]