Bump typing-extensions from 4.0.1 to 4.1.1 in /docs (#1280)

Bumps [typing-extensions](https://github.com/python/typing) from 4.0.1 to 4.1.1.
- [Release notes](https://github.com/python/typing/releases)
- [Changelog](https://github.com/python/typing/blob/master/typing_extensions/CHANGELOG)
- [Commits](python/typing@4.0.1...4.1.1)

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

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

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

Author: dependabot[bot]

docs/requirements.txt

@@ -12,7 +12,7 @@ tomlkit==0.9.2
 pygments==2.11.2
 
 # Dependencies of our project:
-typing-extensions==4.0.1
+typing-extensions==4.1.1
 mypy==0.931
 pytest==7.0.1
 hypothesis==6.36.2