Update dependency typescript to v2.9.2

Author: renovate-bot

package-lock.json

@@ -101,7 +101,7 @@
     "tslint": "^5.11.0",
     "tslint-eslint-rules": "^5.3.1",
     "tslint-microsoft-contrib": "^5.1.0",
-    "typescript": "2.7.2"
+    "typescript": "2.9.2"
   },
   "git-pre-hooks": {
     "pre-push": [