[v8] Port `@sentry/sveltekit` to be powered by OpenTelemetry

[mydea]

### Tasks
- [ ] https://github.com/getsentry/sentry-javascript/pull/11075
- [x] Ensure it builds
- [x] Ensure tests pass
- [ ] https://github.com/getsentry/sentry-javascript/pull/11130
- [ ] Investigate why hover preloading causes the server span to have a negative sampling decision
- [ ] Test it in an actual app
- [ ] Ensure navigations get their own, new traceId