chore(package): update lockfile yarn.lock

Author: greenkeeper[bot]

yarn.lock

@@ -50,9 +50,9 @@
     "@types/express-serve-static-core" "*"
     "@types/serve-static" "*"
 
-"@types/helmet@0.0.40":
-  version "0.0.40"
-  resolved "https://registry.yarnpkg.com/@types/helmet/-/helmet-0.0.40.tgz#133e1e3f0d7142d7244bf0ddaad4678798e9b4cf"
+"@types/helmet@0.0.41":
+  version "0.0.41"
+  resolved "https://registry.yarnpkg.com/@types/helmet/-/helmet-0.0.41.tgz#c113fc815bc18cf69999adff5323daf9bd46bf0d"
   dependencies:
     "@types/express" "*"