upgrade to sveltekit 1

src/lib/Link.svelte

@@ -18,7 +18,7 @@
 
 
 {#if href.startsWith('/') || host(href) === $page.host}
-    <a sveltekit:prefetch {href}>
+    <a data-sveltekit-preload-data="hover" {href}>
         <slot></slot>
     </a>
 {:else}