chore(deps): bump furo from 2022.4.7 to 2022.6.4.1 (#49)

Bumps [furo](https://github.com/pradyunsg/furo) from 2022.4.7 to 2022.6.4.1.
- [Release notes](https://github.com/pradyunsg/furo/releases)
- [Changelog](https://github.com/pradyunsg/furo/blob/main/docs/changelog.md)
- [Commits](pradyunsg/furo@2022.04.07...2022.06.04.1)

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

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

docs/req.txt

@@ -7,4 +7,4 @@ sphinxcontrib-htmlhelp==2.0.0
 sphinxcontrib-jsmath==1.0.1
 sphinxcontrib-qthelp==1.0.3
 sphinxcontrib-serializinghtml==1.1.5
-furo==2022.4.7
+furo==2022.6.4.1