Update package.json

Author: songyumeng

src/leaflet/package.json

@@ -17,7 +17,7 @@
     "@turf/turf": "5.1.6",
     "echarts":"4.3.0",
     "mapv":"2.0.38",
-    "leaflet": "1.5.1",
+    "leaflet": "1.6.0",
     "@supermap/iclient-common": "10.0.0",
     "@mapbox/vector-tile": "1.3.0",
     "jsonsql": "0.2.5",