chore(deps): update dependency typescript to v3.2.4

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change	References
typescript	devDependencies	patch	3.2.2 -> 3.2.4	homepage, source

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Release Notes

Microsoft/TypeScript

### [`v3.2.4`](https://togithub.com/Microsoft/TypeScript/releases/v3.2.4) [Compare Source](https://togithub.com/Microsoft/TypeScript/compare/v3.2.2...v3.2.4) For release notes, check out the [release announcement](https://blogs.msdn.microsoft.com/typescript/2018/11/29/announcing-typescript-3-2/) For new features, check out the [What's new in TypeScript 3.2](https://togithub.com/Microsoft/TypeScript/wiki/What's-new-in-TypeScript#typescript-32). For breaking changes, check out the [Breaking changes in TypeScript 3.2](https://togithub.com/Microsoft/TypeScript/wiki/Breaking-Changes#typescript-32) page. For the complete list of fixed issues, check out the [fixed issues query for Typescript 3.2.4](https://togithub.com/Microsoft/TypeScript/issues?q=is%3Aopen+is%3Aissue+milestone%3A%22TypeScript+3.2.4%22). Download: - [npm](https://www.npmjs.com/package/typescript)

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