Bump typing-extensions from 3.7.4.2 to 3.7.4.3
Bump typing-extensions from 3.7.4.2 to 3.7.4.3

Bumps [typing-extensions](https://github.com/python/typing) from 3.7.4.2 to 3.7.4.3.
- [Release notes](https://github.com/python/typing/releases)
- [Commits](https://github.com/python/typing/compare/3.7.4.2...3.7.4.3)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
Harmon758/Harmonbot,Harmon758/Harmonbot