doc: fix usage code

import { label } -> import { Label }

Author: Bowlerr

apps/docs/src/content/docs/components/label.mdx

@@ -48,7 +48,7 @@ A user-friendly label linked to controls for improved accessibility.
 ### Usage
 
 ```tsx
-import { label } from '~/components/ui/label';
+import { Label } from '~/components/ui/label';
 
 function Example() {
   return <Label nativeID='name'>Name</Label>