https://react.dev/blog/2024/04/25/react-19

Big thing for us is https://react.dev/reference/react-dom/client/createRoot#parameters

Key thing for us is that we can stop recommending Sentry.ErrorBoundary, and instead tell people to use the hooks in react directly!

### Tasks
- [ ] https://github.com/getsentry/sentry-javascript/pull/12147
- [x] Add e2e test
- [ ] https://github.com/getsentry/sentry-docs/pull/10178