Update Scala Native to 0.5.3

[lolgab]

Pull Request Checklist

• Have you read through the contributor guidelines?
• Have you squashed your commits?
• Have you added copyright headers to new files?
• Have you updated the documentation?
• Have you added tests for any changed functionality?

Purpose

Update Scala Native to its new major version. Current latest version is 0.5.3.
This also updates Scalacheck and jawn-parser to the versions which are released for Scala Native 0.5

[mkurz]

I will branch off a 3.0.x branch and afterwards will merge you pr soon.

[lolgab]

Thank you @mkurz.
The CI is green now ✅