chore(package): update lockfile

https://npm.im/greenkeeper-lockfile

Author: greenkeeperio-bot

yarn.lock

@@ -1610,9 +1610,9 @@ [email protected]:
   optionalDependencies:
     esdoc "^0.5.2"
 
-[email protected].0:
-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/danger/-/danger-3.1.0.tgz#91760945b641d3a17720d3fa27d3c68dac6a0656"
+[email protected].1:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/danger/-/danger-3.1.1.tgz#5a153e2e9f06607fe963ff283f0ad4fff00d4074"
   dependencies:
     "@octokit/rest" "^14.0.4"
     babel-polyfill "^6.23.0"
@@ -5958,7 +5958,7 @@ vinyl@^0.5.0:
     clone-stats "^0.0.1"
     replace-ext "0.0.1"
 
-vm2@patriksimek/vm2#custom_files:
+"vm2@github:patriksimek/vm2#custom_files":
   version "3.5.0"
   resolved "https://codeload.github.com/patriksimek/vm2/tar.gz/7e82f90ac705fc44fad044147cb0df09b4c79a57"