Update to TypeScript 4.1

[mamins1376]

Is your feature request related to a problem? Please describe.
The problem is the bug caused by previous versions of typescript, with following issues describing the problem:
typescript-eslint/typescript-eslint#2127
Which seems to be fixed in the latest typescript release:
microsoft/TypeScript#40495

Describe the solution you'd like
Bump typescript to ^4.1 in packages.json.

Describe alternatives you've considered
Maybe it is possible to have two versions of typescript installed?

Additional context
I love nuxt!

[P4sca1]

I am using a synced Typescript version across multiple packages in a monorepo and would like to upgrade it to 4.1 (because Prisma 2.14 requires it).
Nuxt is currently blocking the update. Would be great if Typescript 4.1 could be supported. (@kevinmarrec)