update to svelte 5 and tw 4 etc

src/lib/components/ui/alert/alert-description.svelte

@@ -1,9 +1,23 @@
-<script>
-  import { cn } from "$lib/utils.js";
+<script lang="ts">
+  import type { HTMLAttributes } from "svelte/elements";
+  import { cn, type WithElementRef } from "$lib/utils.js";
 
-  let { ref = $bindable(null), class: className, children, ...restProps } = $props();
+  let {
+    ref = $bindable(null),
+    class: className,
+    children,
+    ...restProps
+  }: WithElementRef<HTMLAttributes<HTMLDivElement>> = $props();
 </script>
 
-<div bind:this={ref} class={cn("text-sm [&_p]:leading-relaxed", className)} {...restProps}>
+<div
+  bind:this={ref}
+  data-slot="alert-description"
+  class={cn(
+    "text-muted-foreground col-start-2 grid justify-items-start gap-1 text-sm [&_p]:leading-relaxed",
+    className,
+  )}
+  {...restProps}
+>
   {@render children?.()}
 </div>