chore(package): update lockfile

https://npm.im/greenkeeper-lockfile

Author: greenkeeperio-bot

yarn.lock

@@ -1491,27 +1491,29 @@ csurf@~1.8.3:
     csrf "~3.0.0"
     http-errors "~1.3.1"
 
-[email protected]-alpha.20:
-  version "2.0.0-alpha.20"
-  resolved "https://registry.yarnpkg.com/danger/-/danger-2.0.0-alpha.20.tgz#a44cc706869329417296cc1d652aa665f3208260"
+[email protected]:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/danger/-/danger-2.0.0.tgz#95a18f03a84f9584a49dc866c69e85b501454596"
   dependencies:
     babel-polyfill "7.0.0-alpha.19"
     chalk "^2.0.0"
     commander "^2.9.0"
     debug "^3.0.0"
+    get-stdin "^5.0.1"
     github "^11"
     jsome "^2.3.25"
     jsonpointer "^4.0.1"
     lodash.find "^4.6.0"
     lodash.includes "^4.3.0"
     lodash.isobject "^2.4.1"
     lodash.keys "^4.0.8"
+    node-cleanup "^2.1.2"
     node-fetch "^1.6.3"
     parse-diff "^0.4.0"
     parse-link-header "^1.0.1"
     pinpoint "^1.1.0"
     require-from-string "^2.0.1"
-    rfc6902 "^1.3.0"
+    rfc6902 "^2.0.0"
     vm2 patriksimek/vm2#custom_files
     voca "^1.2.0"
 
@@ -3625,6 +3627,10 @@ netrc@^0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/netrc/-/netrc-0.1.4.tgz#6be94fcaca8d77ade0a9670dc460914c94472444"
 
+node-cleanup@^2.1.2:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/node-cleanup/-/node-cleanup-2.1.2.tgz#7ac19abd297e09a7f72a71545d951b517e4dde2c"
+
 node-fetch@^1.0.1, node-fetch@^1.3.3, node-fetch@^1.6.3:
   version "1.7.3"
   resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-1.7.3.tgz#980f6f72d85211a5347c6b2bc18c5b84c3eb47ef"
@@ -4629,9 +4635,9 @@ restore-cursor@^2.0.0:
     onetime "^2.0.0"
     signal-exit "^3.0.2"
 
-rfc6902@^1.3.0:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/rfc6902/-/rfc6902-1.3.0.tgz#85b2c69c42dcf116082437b9829a962446b4c4a5"
+rfc6902@^2.0.0:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/rfc6902/-/rfc6902-2.2.1.tgz#28a7ffb8d1982ae1e49f682821e142d08a235a7b"
 
 right-align@^0.1.1:
   version "0.1.3"
@@ -5312,7 +5318,7 @@ 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"