refactor: increase kijiji scraping request rate to 4 rps

Signed-off-by: Dmytro Stanchiev <git@dmytros.dev>

packages/api-server/src/routes/kijiji.ts

@@ -46,7 +46,7 @@ export async function kijijiRoute(req: Request): Promise<Response> {
   try {
     const items = await fetchKijijiItems(
       SEARCH_QUERY,
-      1,
+      4, // 4 requests per second for faster scraping
       "https://www.kijiji.ca",
       searchOptions,
       {},