Update image.md (#34374)

- Replaced outdated Vercel Image Optimization page URL



## Bug

- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Errors have 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 helpful link attached, see `contributing.md`

## Documentation / Examples

- [ ] Make sure the linting passes by running `yarn lint`

docs/api-reference/next/image.md

@@ -323,7 +323,7 @@ module.exports = {
 The following Image Optimization cloud providers are included:
 
 - Default: Works automatically with `next dev`, `next start`, or a custom server
-- [Vercel](https://vercel.com): Works automatically when you deploy on Vercel, no configuration necessary. [Learn more](https://vercel.com/docs/next.js/image-optimization)
+- [Vercel](https://vercel.com): Works automatically when you deploy on Vercel, no configuration necessary. [Learn more](https://vercel.com/docs/concepts/image-optimization)
 - [Imgix](https://www.imgix.com): `loader: 'imgix'`
 - [Cloudinary](https://cloudinary.com): `loader: 'cloudinary'`
 - [Akamai](https://www.akamai.com): `loader: 'akamai'`