Build(deps-dev): bump typescript from 3.6.3 to 3.6.4 (#4211)

Bumps [typescript](https://github.com/Microsoft/TypeScript) from 3.6.3 to 3.6.4.
- [Release notes](https://github.com/Microsoft/TypeScript/releases)
- [Commits](https://github.com/Microsoft/TypeScript/compare/v3.6.3...v3.6.4

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>