chore(package): update lockfile

https://npm.im/greenkeeper-lockfile

Author: greenkeeperio-bot

yarn.lock

@@ -570,7 +570,7 @@
     "@turf/helpers" "4.6.0"
     underscore "^1.8.3"
 
-"@octokit/rest@^15.5.0":
+"@octokit/rest@^15.9.5":
   version "15.9.5"
   resolved "https://registry.yarnpkg.com/@octokit/rest/-/rest-15.9.5.tgz#e356d202bd0b517e381f705ad77d98ccb84e0c65"
   dependencies:
@@ -2208,11 +2208,11 @@ [email protected]:
   optionalDependencies:
     esdoc "^0.5.2"
 
-[email protected].4:
-  version "3.8.4"
-  resolved "https://registry.yarnpkg.com/danger/-/danger-3.8.4.tgz#e84b8398a3b7dd5707d7628a833f529efa4d1354"
+[email protected].5:
+  version "3.8.5"
+  resolved "https://registry.yarnpkg.com/danger/-/danger-3.8.5.tgz#18c41322e7137701f156d03e709bde0f3c630b9a"
   dependencies:
-    "@octokit/rest" "^15.5.0"
+    "@octokit/rest" "^15.9.5"
     babel-polyfill "^6.23.0"
     chalk "^2.3.0"
     commander "^2.13.0"