chore(package): update typescript to version 2.3.4 (#550)

package.json

@@ -156,7 +156,7 @@
     "tslint": "5.3.2",
     "tslint-jsdoc-rules": "0.1.2",
     "tuling123-client": "0.0.1",
-    "typescript": "2.3.3",
+    "typescript": "2.3.4",
     "yarn": "0.24.5"
   },
   "files_comment__whitelist_npm_publish": "http://stackoverflow.com/a/8617868/1123955",