chore(package): update typescript to version 2.4.2

Author: tiagoschenkel

package.json

@@ -77,7 +77,7 @@
     "ts-loader": "^2.3.1",
     "ts-node": "^3.3.0",
     "tslint": "^5.5.0",
-    "typescript": "^2.1.6",
+    "typescript": "^2.4.2",
     "typescript-formatter": "^5.2.0",
     "webpack": "^3.3.0",
     "webpack-dev-server": "^2.6.1"

yarn.lock

@@ -4931,9 +4931,9 @@ typescript-formatter@^5.2.0:
     commandpost "^1.0.0"
     editorconfig "^0.13.2"
 
-typescript@^2.1.6:
-  version "2.1.6"
-  resolved "https://registry.npmjs.org/typescript/-/typescript-2.1.6.tgz#40c7e6e9e5da7961b7718b55505f9cac9487a607"
+typescript@^2.4.2:
+  version "2.4.2"
+  resolved "https://registry.npmjs.org/typescript/-/typescript-2.4.2.tgz#f8395f85d459276067c988aa41837a8f82870844"
 
 uglify-js@^2.6:
   version "2.7.5"