Update package.json

Author: songyumeng

src/mapboxgl/package.json

@@ -20,7 +20,7 @@
     "three": "0.121.1",
     "xlsx": "0.16.8",
     "@supermap/iclient-common": "10.1.1",
-    "canvg": "3.0.6",
+    "canvg": "3.0.7",
     "xml-js": "1.6.8"
   }
 }