Merge pull request #734 from martinRenou/update_leafletjs

Update LeafletJS

Author: davidbrochart

js/package-lock.json

@@ -26,7 +26,7 @@
     "@jupyter-widgets/base": "^2 || ^3",
     "@phosphor/messaging": "^1.3.0",
     "@phosphor/widgets": "^1.9.3",
-    "leaflet": "^1.3.0",
+    "leaflet": "^1.7.1",
     "leaflet-ant-path": "^1.3.0",
     "leaflet-defaulticon-compatibility": "^0.1.1",
     "leaflet-draw": "^1.0.4",