Bump typed-ast from 1.4.1 to 1.4.2 in /requirements (#16241)
Bump typed-ast from 1.4.1 to 1.4.2 in /requirements (#16241)

Bumps [typed-ast](https://github.com/python/typed_ast) from 1.4.1 to 1.4.2.
- [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/1.4.1...1.4.2)

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

Co-authored-by: dependabot[bot] <1c358da00a777d4e9898c1280ab801e2df165188@users.noreply.github.com>
bqbn/addons-server,wagnerand/addons-server,diox/olympia,wagnerand/addons-server,mozilla/addons-server,mozilla/olympia,wagnerand/addons-server,diox/olympia,bqbn/addons-server,bqbn/addons-server,bqbn/addons-server,mozilla/addons-server,wagnerand/addons-server,mozilla/olympia,diox/olympia,diox/olympia,mozilla/addons-server,mozilla/addons-server,mozilla/olympia,mozilla/olympia