Update docs with lazyRoot added in 12.0.9

Author: styfle

docs/api-reference/next/image.md

@@ -16,6 +16,7 @@ description: Enable Image Optimization with the built-in Image component.
 
 | Version   | Changes                                                                                           |
 | --------- | ------------------------------------------------------------------------------------------------- |
+| `v12.0.9` | `lazyRoot` prop added                                                                             |
 | `v12.0.0` | `formats` configuration added.<br/>AVIF support added.<br/>Wrapper `<div>` changed to `<span>`.   |
 | `v11.1.0` | `onLoadingComplete` and `lazyBoundary` props added.                                               |
 | `v11.0.0` | `src` prop support for static import.<br/>`placeholder` prop added.<br/>`blurDataURL` prop added. |