[React-Native]: v7 Main Tasks

[krystofwoldrich]

Description

Covers the main work to be done in preparation for React Native v7.

[lucas-zimerman]

@krystofwoldrich @antonis Should we clear the deprecation/warnings on swift for V7? I noticed them when reviwing this PR
https://github.com/getsentry/sentry-cocoa/pull/4988/files