fix(route): Fix the abnormal display of description in hellogithub (#19351)

1.fix：Fix the abnormal display of description in hellogithub

lib/routes/hellogithub/index.ts

@@ -66,7 +66,7 @@ async function handler(ctx) {
         link: `${rootUrl}/repository/${item.item_id}`,
         pubDate: parseDate(item.updated_at),
         name: `${item.author}/${item.name}`,
-        summary: item.summary,
+        description: item.summary,
         language: item.primary_lang,
     }));