Bump typed-ast from 1.4.2 to 1.4.3 (#54)
Bump typed-ast from 1.4.2 to 1.4.3 (#54)

Bumps [typed-ast](https://github.com/python/typed_ast) from 1.4.2 to 1.4.3.
- [Release notes](https://github.com/python/typed_ast/releases)
- [Changelog](https://github.com/python/typed_ast/blob/master/release_process.md)
- [Commits](https://github.com/python/typed_ast/compare/1.4.2...1.4.3)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>

Co-authored-by: dependabot[bot] <1c358da00a777d4e9898c1280ab801e2df165188@users.noreply.github.com>
srittau/python-asserts