refactor: migrate shadcn-components to Svelte 5 and TW4 (#551)

Co-authored-by: Elias Schneider <login@eliasschneider.com>

frontend/src/routes/login/setup/+page.svelte

@@ -44,6 +44,6 @@
 		<p class="text-muted-foreground mt-2">
 			{m.you_are_about_to_sign_in_to_the_initial_admin_account()}
 		</p>
-		<Button class="mt-5" {isLoading} on:click={authenticate}>{m.continue()}</Button>
+		<Button class="mt-5" {isLoading} onclick={authenticate}>{m.continue()}</Button>
 	{/if}
 </SignInWrapper>