docs: fix svelte warning

Author: segunadebayo

packages/svelte/src/lib/components/file-upload/examples/with-paste.svelte

@@ -10,7 +10,7 @@
   <textarea
     placeholder="Paste image here..."
     onpaste={(e) => fileUpload().setClipboardFiles(e.clipboardData)}
-  />
+  ></textarea>
   <FileUpload.ItemGroup>
     {#each fileUpload().acceptedFiles as file (file.name)}
       <FileUpload.Item {file}>
@@ -22,4 +22,4 @@
     {/each}
   </FileUpload.ItemGroup>
   <FileUpload.HiddenInput />
-</FileUpload.RootProvider>
+</FileUpload.RootProvider>