Bump typescript from 3.8.3 to 3.9.2 (#8293)
* Bump typescript from 3.8.3 to 3.9.2
Bumps [typescript](https://github.com/Microsoft/TypeScript) from 3.8.3 to 3.9.2.
- [Release notes](https://github.com/Microsoft/TypeScript/releases)
- [Commits](https://github.com/Microsoft/TypeScript/compare/v3.8.3...v3.9.2)
Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
* Add Invalid JSX test
* More tests
Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>
Co-authored-by: fisker <lionkay@gmail.com>