chore: 更新微信小程序配置和扩展信息

更新app.json添加lazyCodeLoading配置
修改ext.json中的extAppid和APPID为新值

app.json

@@ -34,5 +34,6 @@
       }
     ]
   },
-  "sitemapLocation": "sitemap.json"
+  "sitemapLocation": "sitemap.json",
+  "lazyCodeLoading": "requiredComponents"
 }

ext.json

@@ -1,10 +1,10 @@
 {
   "extEnable": true,
-  "extAppid": "wx2ce881915a6b9b6c",
+  "extAppid": "wxf77a42154f9aa96c",
   "directCommit": false,
   "ext": {
     "name": "wechat",
-    "APPID": "wx2ce881915a6b9b6c",
+    "APPID": "wxf77a42154f9aa96c",
     "URL":"https://wxmini.mixienet.com.cn/index/"
   }
 }