chore(package): update lockfile

https://npm.im/greenkeeper-lockfile

yarn.lock

@@ -2,19 +2,19 @@
 # yarn lockfile v1
 
 
-"@babel/code-frame@^7.0.0-beta.35", "@babel/code-frame@^7.0.0-beta.47":
-  version "7.0.0-beta.55"
-  resolved "https://registry.yarnpkg.com/@babel/code-frame/-/code-frame-7.0.0-beta.55.tgz#71f530e7b010af5eb7a7df7752f78921dd57e9ee"
+"@babel/code-frame@^7.0.0", "@babel/code-frame@^7.0.0-beta.35":
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/@babel/code-frame/-/code-frame-7.0.0.tgz#06e2ab19bdb535385559aabb5ba59729482800f8"
   dependencies:
-    "@babel/highlight" "7.0.0-beta.55"
+    "@babel/highlight" "^7.0.0"
 
-"@babel/highlight@7.0.0-beta.55":
-  version "7.0.0-beta.55"
-  resolved "https://registry.yarnpkg.com/@babel/highlight/-/highlight-7.0.0-beta.55.tgz#988653647d629c261dae156e74d5f0252ba520c0"
+"@babel/highlight@^7.0.0":
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/@babel/highlight/-/highlight-7.0.0.tgz#f710c38c8d458e6dd9a201afb637fcb781ce99e4"
   dependencies:
     chalk "^2.0.0"
     esutils "^2.0.2"
-    js-tokens "^3.0.0"
+    js-tokens "^4.0.0"
 
 "@types/estree@0.0.39":
   version "0.0.39"
@@ -982,10 +982,14 @@ combined-stream@1.0.6, combined-stream@~1.0.5:
   dependencies:
     delayed-stream "~1.0.0"
 
-commander@^2.11.0, commander@~2.16.0:
+commander@^2.11.0:
   version "2.16.0"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.16.0.tgz#f16390593996ceb4f3eeb020b31d78528f7f8a50"
 
+commander@~2.17.1:
+  version "2.17.1"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-2.17.1.tgz#bd77ab7de6de94205ceacc72f1716d29f20a77bf"
+
 compare-versions@^3.1.0:
   version "3.3.0"
   resolved "https://registry.yarnpkg.com/compare-versions/-/compare-versions-3.3.0.tgz#af93ea705a96943f622ab309578b9b90586f39c3"
@@ -2239,10 +2243,14 @@ jest@^23.4.0:
     import-local "^1.0.0"
     jest-cli "^23.4.2"
 
-js-tokens@^3.0.0, "js-tokens@^3.0.0 || ^4.0.0", js-tokens@^3.0.2:
+"js-tokens@^3.0.0 || ^4.0.0", js-tokens@^3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-3.0.2.tgz#9866df395102130e38f7f996bceb65443209c25b"
 
+js-tokens@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-4.0.0.tgz#19203fb59991df98e3a287050d4647cdeaf32499"
+
 js-yaml@^3.11.0, js-yaml@^3.7.0:
   version "3.12.0"
   resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.12.0.tgz#eaed656ec8344f10f527c6bfa1b6e2244de167d1"
@@ -3181,12 +3189,13 @@ rollup-plugin-node-resolve@^3.0.0:
     is-module "^1.0.0"
     resolve "^1.1.6"
 
-rollup-plugin-uglify@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/rollup-plugin-uglify/-/rollup-plugin-uglify-4.0.0.tgz#6eb471738f1ce9ba7d9d4bc43b71cba02417c8fb"
+rollup-plugin-uglify@^5.0.1:
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/rollup-plugin-uglify/-/rollup-plugin-uglify-5.0.1.tgz#e980e446896135f40d538dd1df63b2d6208c1923"
   dependencies:
-    "@babel/code-frame" "^7.0.0-beta.47"
-    uglify-js "^3.3.25"
+    "@babel/code-frame" "^7.0.0"
+    jest-worker "^23.2.0"
+    uglify-js "^3.4.8"
 
 rollup-pluginutils@^1.5.0:
   version "1.5.2"
@@ -3615,11 +3624,11 @@ uglify-js@^2.6:
   optionalDependencies:
     uglify-to-browserify "~1.0.0"
 
-uglify-js@^3.3.25:
-  version "3.4.6"
-  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.4.6.tgz#bc546d53f3e02b05d97d0ca5a7abfe0fb0384ddb"
+uglify-js@^3.4.8:
+  version "3.4.8"
+  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.4.8.tgz#d590777b208258b54131b1ae45bc9d3f68033a3e"
   dependencies:
-    commander "~2.16.0"
+    commander "~2.17.1"
     source-map "~0.6.1"
 
 uglify-to-browserify@~1.0.0: