pip prod(deps): bump furo from 2021.11.15 to 2021.11.23

Bumps [furo](https://github.com/pradyunsg/furo) from 2021.11.15 to 2021.11.23.
- [Release notes](https://github.com/pradyunsg/furo/releases)
- [Changelog](https://github.com/pradyunsg/furo/blob/main/docs/changelog.md)
- [Commits](pradyunsg/furo@2021.11.15...2021.11.23)

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

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

Author: dependabot[bot]

docs/requirements.txt

@@ -34,9 +34,9 @@ docutils==0.17.1 \
     # via
     #   myst-parser
     #   sphinx
-furo==2021.11.15 \
-    --hash=sha256:17b9fcf4de20f661d13db1ea83f11f7bf30be13738cffc88637889bf79c0469f \
-    --hash=sha256:bdca82c3f211a24f850dcb12be3cb0e3f152cd3f2adfc0449bf9db6a07856bd3
+furo==2021.11.23 \
+    --hash=sha256:54cecac5f3b688b5c7370d72ecdf1cd91a6c53f0f42751f4a719184b562cde70 \
+    --hash=sha256:6d396451ad1aadce380c662fca9362cb10f4fd85f296d74fe3ca32006eb641d7
     # via -r docs/requirements.in
 idna==3.3 \
     --hash=sha256:84d9dd047ffa80596e0f246e2eab0b391788b0503584e8945f2368256d2735ff \
@@ -154,7 +154,9 @@ pbr==5.7.0 \
 pygments==2.10.0 \
     --hash=sha256:b8e67fe6af78f492b3c4b3e2970c0624cbf08beb1e493b2c99b9fa1b67a20380 \
     --hash=sha256:f398865f7eb6874156579fdf36bc840a03cab64d1cde9e93d68f46a425ec52c6
-    # via sphinx
+    # via
+    #   furo
+    #   sphinx
 pyparsing==2.4.7 \
     --hash=sha256:c203ec8783bf771a155b207279b9bccb8dea02d8f0c9e5f8ead507bc3246ecc1 \
     --hash=sha256:ef9d7589ef3c200abe66653d3f1ab1033c3c419ae9b9bdb1240a85b024efc88b