fix: remove self-closing tags

Remove self-closing tags to prevent warnings in Svelte 5

Author: BearToCode

packages/carta-md/src/lib/internal/components/Input.svelte

@@ -196,7 +196,7 @@
 			bind:this={textarea}
 			on:scroll={() => (textarea.scrollTop = 0)}
 			on:keydown={() => (prevValue = value)}
-		/>
+		></textarea>
 	</div>
 
 	{#if mounted}

packages/carta-md/src/lib/internal/components/Toolbar.svelte

@@ -98,7 +98,7 @@
 		{/if}
 	</div>
 
-	<div class="carta-filler" bind:clientWidth={availableWidth} />
+	<div class="carta-filler" bind:clientWidth={availableWidth}></div>
 
 	<div class="carta-toolbar-right" bind:this={iconsContainer}>
 		{#if !(mode === 'tabs' && tab === 'preview')}