vscode-dotty: upgrade dependencies

Author: smarter

vscode-dotty/package-lock.json

@@ -11,7 +11,7 @@
   },
   "icon": "images/dotty-logo.png",
   "engines": {
-    "vscode": "^1.26.0"
+    "vscode": "^1.27.0"
   },
   "categories": [
     "Languages"
@@ -65,7 +65,7 @@
   "devDependencies": {
     "@types/compare-versions": "^3.0.0",
     "@types/mocha": "^5.2.5",
-    "@types/node": "^8.10.28",
+    "@types/node": "^8.10.32",
     "typescript": "^2.9.2",
     "vscode": "^1.1.21"
   }