chore: generate types

packages/svelte/types/index.d.ts

@@ -1756,7 +1756,7 @@ declare module 'svelte/server' {
 					component: Comp extends SvelteComponent<any> ? ComponentType<Comp> : Comp,
 					options: { props: Omit<Props, '$$slots' | '$$events'>; context?: Map<any, any> }
 				]
-	): RenderOutput;
+	): Promise<RenderOutput>;
 	interface RenderOutput {
 		/** HTML that goes into the `<head>` */
 		head: string;