update dependencies

Author: daimor

package-lock.json

@@ -483,7 +483,8 @@
     "tslint-microsoft-contrib": "^5.2.1",
     "typescript": "^3.2.2",
     "vsce": "^1.57.0",
-    "vscode": "^1.1.26"
+    "vscode": "^1.1.26",
+    "extend": "^3.0.2"
   },
   "dependencies": {
     "bottleneck": "^2.16.2",