Bump typing-extensions from 4.4.0 to 4.9.0 (#231)

Bumps [typing-extensions](https://github.com/python/typing_extensions) from 4.4.0 to 4.9.0.
- [Release notes](https://github.com/python/typing_extensions/releases)
- [Changelog](https://github.com/python/typing_extensions/blob/main/CHANGELOG.md)
- [Commits](python/typing_extensions@4.4.0...4.9.0)

---
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>

requirements_docs.txt

@@ -34,5 +34,5 @@ trame-server==2.11.4
 trame-vtk==2.5.4
 trimesh==3.15.8
 typed-ast==1.5.4
-typing_extensions==4.4.0
+typing_extensions==4.9.0
 vtk<9.3