chore(package): update lockfile

https://npm.im/greenkeeper-lockfile

yarn.lock

@@ -339,14 +339,16 @@ babel-core@^6.0.0, babel-core@^6.26.0:
     slash "^1.0.0"
     source-map "^0.5.6"
 
-babel-eslint@8.0.3:
-  version "8.0.3"
-  resolved "https://registry.yarnpkg.com/babel-eslint/-/babel-eslint-8.0.3.tgz#f29ecf02336be438195325cd47c468da81ee4e98"
+babel-eslint@8.1.0:
+  version "8.1.0"
+  resolved "https://registry.yarnpkg.com/babel-eslint/-/babel-eslint-8.1.0.tgz#b6f32d598559f96127fa608bd19574626325d5b7"
   dependencies:
     "@babel/code-frame" "7.0.0-beta.31"
     "@babel/traverse" "7.0.0-beta.31"
     "@babel/types" "7.0.0-beta.31"
     babylon "7.0.0-beta.31"
+    eslint-scope "~3.7.1"
+    eslint-visitor-keys "^1.0.0"
 
 babel-generator@^6.18.0, babel-generator@^6.26.0:
   version "6.26.0"
@@ -1603,7 +1605,7 @@ eslint-restricted-globals@^0.1.1:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/eslint-restricted-globals/-/eslint-restricted-globals-0.1.1.tgz#35f0d5cbc64c2e3ed62e93b4b1a7af05ba7ed4d7"
 
-eslint-scope@^3.7.1:
+eslint-scope@^3.7.1, eslint-scope@~3.7.1:
   version "3.7.1"
   resolved "https://registry.yarnpkg.com/eslint-scope/-/eslint-scope-3.7.1.tgz#3d63c3edfda02e06e01a452ad88caacc7cdcb6e8"
   dependencies: