build(deps-dev): bump typescript from 4.0.2 to 4.0.3 (#1974)

Bumps [typescript](https://github.com/Microsoft/TypeScript) from 4.0.2 to 4.0.3.
- [Release notes](https://github.com/Microsoft/TypeScript/releases)
- [Commits](microsoft/TypeScript@v4.0.2...v4.0.3)

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