This avoids the case that one can accidentally return a `Response` object in the Node.js runtime in `pages/api/`, that causes the request to hang forever.
This ensures we don't have a fatal error when not necessary and ensures
`@vercel/og` is working as expected.
x-ref: [slack
thread](https://vercel.slack.com/archives/CGU8HUTUH/p1667239940322769?thread_ts=1667238747.240989&cid=CGU8HUTUH)
## Bug
- [ ] Related issues linked using `fixes #number`
- [x] 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
- [ ] Make sure the linting passes by running `pnpm build && pnpm lint`
- [ ] The "examples guidelines" are followed from [our contributing
doc](https://github.com/vercel/next.js/blob/canary/contributing/examples/adding-examples.md)
