refactor(route): update parameter handling in PATCH function for improved readability

frontend/app/api/products-update/[id]/route.ts

@@ -12,10 +12,11 @@ async function getAuthHeaders(): Promise<Record<string, string>> {
 
 export async function PATCH(
   req: Request,
-  { params }: { params: { id: string } },
+  { params }: { params: Promise<{ id: string }> },
 ) {
   try {
-    const productId = parseInt(params.id, 10);
+    const { id } = await params;
+    const productId = parseInt(id, 10);
     const body = await req.json();
     const { categoryId } = body;