[chore] Upgrade eslint + a few plugins
[chore] Upgrade eslint + a few plugins

Upgrades:
  - @typescript-eslint/eslint-plugin
  - @typescript-eslint/parser
  - babel-eslint
  - eslint-plugin-react
  - eslint

This fixes an issue with TypeScript 4.0 tuple types causing the error
> Parsing error: Cannot read property 'map' of undefined #2098

sanity-io/sanity,sanity-io/sanity,sanity-io/sanity,sanity-io/sanity