Support next/og usage in ESM nextjs app (#60818)
### What
Follow up for #59852 , now you can use `next/og` if your nextjs app is
marked as ESM with `"type": "module"` in package.json.
### How
It's a bug in external handling, we shouldn't ESM import error for local
requests. Previously you'll see the below error but the
og import shouldn't be errored as it's not external package
```
Module not found: ESM packages (/.../app/opengraph-image.js) need to be imported. Use 'import' to reference the package instead
https://nextjs.org/docs/messages/import-esm-externals
```
Closes NEXT-2147
