refactor: upgrade typescript and prettier (#78)

* chore: update package-lock.json

* chore: upgrade typescript

upgrade from 3.7.5 to 4.9.4

* chore!: upgrade prettier to ^2.8.0

This is technically a breaking change, even though behavior should remain the same

BREAKING CHANGE

* chore: audit and dedupe

- run "npm audit fix"
- run "npm dedupe"

* build: skip lib check

enable skipLibCheck in tsconfig as @types/webpack has type errors

* chore: update @types/webpack