test: Test chatbot history size

Author: tjtanjin

src/components/Home/HeroSection.tsx

@@ -82,7 +82,7 @@ const HeroSection = (): JSX.Element => {
             'X-API-KEY': import.meta.env.VITE_RAG_QUERY_API_KEY,
           },
         }),
-        historySize: 20,
+        historySize: 5,
         outputType: 'character',
       },
       renderMarkdown: ['BOT'],