Update placeholder-pattern.tsx (laravel#43)

camelCase format instead of kebab-case

Author: rusdyahmad

resources/js/components/ui/placeholder-pattern.tsx

@@ -11,7 +11,7 @@ export function PlaceholderPattern({ className }: PlaceholderPatternProps) {
         <svg className={className} fill="none">
             <defs>
                 <pattern id={patternId} x="0" y="0" width="8" height="8" patternUnits="userSpaceOnUse">
-                    <path d="M-1 5L5 -1M3 9L8.5 3.5" stroke-width="0.5"></path>
+                    <path d="M-1 5L5 -1M3 9L8.5 3.5" strokeWidth="0.5"></path>
                 </pattern>
             </defs>
             <rect stroke="none" fill={`url(#${patternId})`} width="100%" height="100%"></rect>