This PR updates the minimum version of React used by examples from 17.0.2 to 18.2.0.
Fixes#41975
## Bug
- [x] Related issues linked using `fixes #41975`
- [ ] Integration tests added
- [ ] Errors have a helpful link attached, see `contributing.md`
## Feature
- [ ] Implements an existing feature request or RFC. Make sure the feature request has been accepted for implementation before opening a PR.
- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Documentation added
- [ ] Telemetry added. In case of a feature if it's used or not.
- [ ] Errors have a helpful link attached, see `contributing.md`
## Documentation / Examples
- [x] Make sure the linting passes by running `pnpm build && pnpm lint`
- [x] The "examples guidelines" are followed from [our contributing doc](https://github.com/vercel/next.js/blob/canary/contributing/examples/adding-examples.md)
Update `with-temporal` example to latest version of Temporal TS SDK API.
AFAICT, next.js doesn't yet support `type: "module"` in root `package.json`, so I added a nested `package.json` for Temporal.
## Documentation / Examples
- [x] Make sure the linting passes by running `yarn lint`
Co-authored-by: Balázs Orbán <18369201+balazsorban44@users.noreply.github.com>
