message: [build-utils] Allow `Prerender` type in BuildV2 `output`
diff: import FileRef from './file-ref';
  import FileFsRef from './file-fs-ref';
  import { Lambda } from './lambda';
  +import { Prerender } from './prerender';
  export interface Env {
  [name: string]: string | undefined;
  @@ -397,7 +398,7 @@ export interface BuildResultV2 {
  routes?: any[];
  images?: Images;
  output: {
  - [key: string]: File | Lambda;
  + [key: string]: File | Lambda | Prerender;
  };
  wildcard?: Array<{
  domain: string;
  