bump mapbox-gl from v1.10.1 to v1.13.1 i.e. latest v1

Author: archmoj

package-lock.json

@@ -97,7 +97,7 @@
     "has-hover": "^1.0.1",
     "has-passive-events": "^1.0.0",
     "is-mobile": "^4.0.0",
-    "mapbox-gl": "1.10.1",
+    "mapbox-gl": "1.13.1",
     "mouse-change": "^1.4.0",
     "mouse-event-offset": "^3.0.2",
     "mouse-wheel": "^1.2.0",

package.json

@@ -2,7 +2,7 @@
 
 var sortObjectKeys = require('../../lib/sort_object_keys');
 
-var requiredVersion = '1.10.1';
+var requiredVersion = '1.13.1';
 
 var OSM = '© <a target="_blank" href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors';
 var carto = [