Update package.json

Author: songyumeng

src/leaflet/package.json

@@ -23,6 +23,6 @@
     "jsonsql": "0.2.5",
     "pbf": "3.2.1",
     "proj4": "2.6.3",
-    "xlsx": "0.16.8"
+    "xlsx": "0.16.9"
   }
 }