Update dependency typescript to v3.4.2 - autoclosed

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change	References
typescript	devDependencies	minor	3.3.4000 -> 3.4.2	homepage, source
typescript	dependencies	minor	3.3.4000 -> 3.4.2	homepage, source

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Release Notes

Microsoft/TypeScript

### [`v3.4.2`](https://togithub.com/Microsoft/TypeScript/releases/v3.4.2) [Compare Source](https://togithub.com/Microsoft/TypeScript/compare/v3.4.1...v3.4.2) This update solely changes TSServer to provide responses to `configurePlugin` requests, and allows global plugins to be loaded by external projects during project creation. This enables TSServer plugins (like IntelliCode) to be used in editors like Visual Studio. For the complete list of fixed issues, check out the - [fixed issues query for Typescript v3.4 RC](https://togithub.com/Microsoft/TypeScript/issues?utf8=%E2%9C%93&q=is%3Aissue+milestone%3A%22TypeScript+3.4.0%22+is%3Aclosed+). - [fixed issues query for Typescript v3.4.1](https://togithub.com/Microsoft/TypeScript/issues?utf8=%E2%9C%93&q=is%3Aissue+milestone%3A%22TypeScript+3.4.1%22+is%3Aclosed+). - [relevant change for 3.4.2](https://togithub.com/Microsoft/TypeScript/pull/30731) Downloads are available on: - [npm](https://www.npmjs.com/package/typescript) - [Visual Studio 2017](https://marketplace.visualstudio.com/items?itemName=TypeScriptTeam.typescript-342-vs2017) ([Select new version in project options](https://togithub.com/Microsoft/TypeScript/wiki/Updating-TypeScript-in-Visual-Studio-2017)) - [NuGet package](https://www.nuget.org/packages/Microsoft.TypeScript.MSBuild) ### [`v3.4.1`](https://togithub.com/Microsoft/TypeScript/releases/v3.4.1) [Compare Source](https://togithub.com/Microsoft/TypeScript/compare/v3.3.4000...v3.4.1) For release notes, check out the [release announcement](https://devblogs.microsoft.com/typescript/announcing-typescript-3-4/). For new features, check out the [What's new in TypeScript 3.4](https://togithub.com/Microsoft/TypeScript/wiki/What's-new-in-TypeScript#typescript-34). For breaking changes, check out the [Breaking changes in TypeScript 3.4](https://togithub.com/Microsoft/TypeScript/wiki/Breaking-Changes#typescript-34) page. For the complete list of fixed issues, check out the - [fixed issues query for Typescript v3.4 RC](https://togithub.com/Microsoft/TypeScript/issues?utf8=%E2%9C%93&q=is%3Aissue+milestone%3A%22TypeScript+3.4%22+is%3Aclosed+). - [fixed issues query for Typescript v3.4.1](https://togithub.com/Microsoft/TypeScript/issues?utf8=%E2%9C%93&q=is%3Aissue+milestone%3A%22TypeScript+3.4.1%22+is%3Aclosed+). Downloads are available on: - [npm](https://www.npmjs.com/package/typescript) - [Visual Studio 2017](https://marketplace.visualstudio.com/items?itemName=TypeScriptTeam.typescript-341-vs2017) ([Select new version in project options](https://togithub.com/Microsoft/TypeScript/wiki/Updating-TypeScript-in-Visual-Studio-2017)) - [NuGet package](https://www.nuget.org/packages/Microsoft.TypeScript.MSBuild) Special thanks to all of our contributors this release: - [@​AnyhowStep](https://togithub.com/AnyhowStep) - Alan Pierce - Alexander Tarasyuk - Anders Hejlsberg - Andy Hanson - Benedikt Meurer - Benjamin Lichtman - Collins Abitekaniza - Daniel Krom - Daniel Rosenwasser - [@​fullheightcoding](https://togithub.com/fullheightcoding) - Gabriela Araujo Britto - [@​ispedals](https://togithub.com/ispedals) - Jack Williams - Jesse Trinity - Jordi Oliveras Rovira - Joseph Wunderlich - K. Preißer - Kagami Sascha Rosylight - Klaus Meinhardt - Masahiro Wakame - Matt McCutchen - Matthew Aynalem - Mine Starks - Nathan Shively-Sanders - Ron Buckton - Ryan Cavanaugh - Sheetal Nandi - Titian Cernicova-Dragomir - [@​tomholub](https://togithub.com/tomholub) - Wenlu Wang - Wesley Wigham

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