Update furo requirement from ^2022.3.4 to ^2023.3.27

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@2022.03.04...2023.03.27)

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

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

pyproject.toml

@@ -21,7 +21,7 @@ mypy = "^0.991"
 Sphinx = "^5.3.0"
 sphinx-autobuild = "^2021.3.14"
 sphinx-copybutton = "^0.5.0"
-furo = "^2022.3.4"
+furo = "^2023.3.27"
 
 [build-system]
 requires = ["poetry-core>=1.0.0"]