docs: Update useQueries hook example (#3710)

I have used as an example "staleTime: Infinity", but it can be whatever makes sense here. 
I've had a hard time figuring out where to put my options just by reading the explanation below the code example.

Author: webbalea

docs/reference/useQueries.md

@@ -8,8 +8,8 @@ The `useQueries` hook can be used to fetch a variable number of queries:
 ```js
 const results = useQueries({
   queries: [
-    { queryKey: ['post', 1], queryFn: fetchPost },
-    { queryKey: ['post', 2], queryFn: fetchPost }
+    { queryKey: ['post', 1], queryFn: fetchPost, staleTime: Infinity},
+    { queryKey: ['post', 2], queryFn: fetchPost, staleTime: Infinity}
   ]
 })
 ```