Npm install breaks - JSDoc types can only be used inside documentation comments.

[actionfoggi]

Hi,

npm install is breaking since the dependency types/chai 4.2.0 only compiles with typescript versions > 3.0.0

Would it be possible to update the typescript version in devDependencies to > 3.0.0?

Related chai PR -> DefinitelyTyped/DefinitelyTyped#37451

Steps to reproduce:

1. Clone repo
2. cd into repo
3. npm i