fix(home): point Double 11 CTA to promotion page

Author: TreeLin

_layouts/home.html

@@ -458,7 +458,7 @@ <h3>Token Plan 双 11 钜惠，低至<span><b>5</b><i>折</i></span></h3>
           <span>低至 <em>5 折</em></span><span>年度钜惠</span>
         </div>
       </div>
-      <a class="promo-banner-cta" href="https://bailian.console.aliyun.com/cn-beijing/subscription/overview" target="_blank" rel="noopener">立即抢购 <span aria-hidden="true">↗</span></a>
+      <a class="promo-banner-cta" href="https://bailian.console.aliyun.com/promotion" target="_blank" rel="noopener">立即抢购 <span aria-hidden="true">↗</span></a>
     </div>
   </div>
 </section>