fix: make search cache key a getter so it re-evaluates when the query changes (npmx-dev#335)

Author: teemingc

app/composables/useNpmRegistry.ts

@@ -287,7 +287,7 @@ export function useNpmSearch(
   let lastSearch: NpmSearchResponse | undefined = undefined
 
   const asyncData = useLazyAsyncData(
-    `search:incremental:${toValue(query)}`,
+    () => `search:incremental:${toValue(query)}`,
     async () => {
       const q = toValue(query)
       if (!q.trim()) {