Update typescript and typings

Author: darkriszty

package-lock.json

@@ -33,12 +33,12 @@
     "test": "gulp copy-systemTest-resources && node ./node_modules/vscode/bin/test"
   },
   "devDependencies": {
-    "@types/mocha": "~2.2.48",
-    "@types/node": "~6.0.117",
+    "@types/mocha": "~5.2.0",
+    "@types/node": "~10.9.4",
     "gulp": "~4.0.0",
     "mocha": "~5.2.0",
     "typemoq": "~1.8.0",
-    "typescript": "~2.9.2",
+    "typescript": "~3.0.3",
     "vscode": "~1.1.21"
   },
   "license": "MIT"