chore(package): update lockfile

https://npm.im/greenkeeper-lockfile

Author: greenkeeperio-bot

yarn.lock

@@ -368,9 +368,9 @@ autoprefixer@^6.3.1:
     postcss "^5.2.16"
     postcss-value-parser "^3.2.3"
 
-awesome-typescript-loader@^3.5.0:
-  version "3.5.0"
-  resolved "https://registry.npmjs.org/awesome-typescript-loader/-/awesome-typescript-loader-3.5.0.tgz#4d4d10cba7a04ed433dfa0334250846fb11a1a5a"
+awesome-typescript-loader@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.npmjs.org/awesome-typescript-loader/-/awesome-typescript-loader-4.0.0.tgz#486479ec2efb6069d158420e9851a5b515a24a15"
   dependencies:
     chalk "^2.3.1"
     enhanced-resolve "3.3.0"