Update package.json

Author: songyumeng

src/mapboxgl/package.json

@@ -18,7 +18,7 @@
  "mapv": "2.0.38",
  "mapbox-gl": "1.3.1",
  "three": "0.92.0",
- "xlsx": "0.15.3",
+ "xlsx": "0.15.4",
  "@supermap/iclient-common": "10.0.1",
  "canvg": "1.5.3",
  "xml-js": "1.6.8"