requirements(deps): bump typing-extensions from 4.2.0 to 4.3.0
requirements(deps): bump typing-extensions from 4.2.0 to 4.3.0

Bumps [typing-extensions](https://github.com/python/typing_extensions) from 4.2.0 to 4.3.0.
- [Release notes](https://github.com/python/typing_extensions/releases)
- [Changelog](https://github.com/python/typing_extensions/blob/main/CHANGELOG.md)
- [Commits](https://github.com/python/typing_extensions/compare/4.2.0...4.3.0)

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

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
hartwork/wnpp.debian.net,hartwork/wnpp.debian.net,hartwork/wnpp.debian.net