Update package.json

Author: YOUYOUNG

src/leaflet/package.json

@@ -23,6 +23,6 @@
     "jsonsql": "0.2.5",
     "pbf": "3.0.2",
     "proj4": "2.5.0",
-    "xlsx": "0.15.1"
+    "xlsx": "0.15.3"
   }
 }