Package.json only supports cjs

[Akkuma]

• I'm submitting a ...
  [X] bug report
  [ ] feature request
  [ ] question about the decisions made in the repository
  [ ] question about how to use this project

• Summary
  https://publint.dev/permitio@2.4.1 there are several issues across how this package is built and setup in package.json. Ideally, this would move to using the standardized exports and support both cjs/esm

• Other information (e.g. detailed explanation, stack traces, related issues, suggestions how to fix, links for us to have context, eg. StackOverflow, personal fork, etc.)