pip prod(deps): bump furo from 2021.11.23 to 2022.1.2

Bumps [furo](https://github.com/pradyunsg/furo) from 2021.11.23 to 2022.1.2.
- [Release notes](https://github.com/pradyunsg/furo/releases)
- [Changelog](https://github.com/pradyunsg/furo/blob/main/docs/changelog.md)
- [Commits](pradyunsg/furo@2021.11.23...2022.01.02)

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

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

docs/requirements.txt

@@ -41,9 +41,9 @@ docutils==0.17.1 \
     # via
     #   myst-parser
     #   sphinx
-furo==2021.11.23 \
-    --hash=sha256:54cecac5f3b688b5c7370d72ecdf1cd91a6c53f0f42751f4a719184b562cde70 \
-    --hash=sha256:6d396451ad1aadce380c662fca9362cb10f4fd85f296d74fe3ca32006eb641d7
+furo==2022.1.2 \
+    --hash=sha256:958016bfe1387c1e8ddf5b9d71696b69c4eaa5cd8afc9492abfb008aba2d300c \
+    --hash=sha256:b217f218cbcd423ffbfe69baa79389d4ecebf2d86f0d593c44ef31da7b5aed30
     # via -r docs/requirements.in
 idna==3.3 \
     --hash=sha256:84d9dd047ffa80596e0f246e2eab0b391788b0503584e8945f2368256d2735ff \