chore(package): update lockfile

https://npm.im/greenkeeper-lockfile

Author: greenkeeperio-bot

yarn.lock

@@ -7217,9 +7217,9 @@ ts-loader@^4.0.1:
     micromatch "^3.1.4"
     semver "^5.0.1"
 
-ts-node@^5.0.1:
-  version "5.0.1"
-  resolved "https://registry.npmjs.org/ts-node/-/ts-node-5.0.1.tgz#78e5d1cb3f704de1b641e43b76be2d4094f06f81"
+ts-node@^6.0.0:
+  version "6.0.0"
+  resolved "https://registry.npmjs.org/ts-node/-/ts-node-6.0.0.tgz#46c25f8498593a9248eeea16906f1598fa098140"
   dependencies:
     arrify "^1.0.0"
     chalk "^2.3.0"