chore(package): update lockfile

https://npm.im/greenkeeper-lockfile

yarn.lock

@@ -4208,7 +4208,7 @@ loader-utils@^0.2.16:
     json5 "^0.5.0"
     object-assign "^4.0.1"
 
-loader-utils@^1.0.2, loader-utils@^1.1.0:
+loader-utils@^1.0.2:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/loader-utils/-/loader-utils-1.1.0.tgz#c98aef488bcceda2ffb5e2de646d6a754429f5cd"
   dependencies:
@@ -5877,6 +5877,14 @@ schema-utils@^1.0.0:
     ajv-errors "^1.0.0"
     ajv-keywords "^3.1.0"
 
+schema-utils@^2.0.1:
+  version "2.6.0"
+  resolved "https://registry.yarnpkg.com/schema-utils/-/schema-utils-2.6.0.tgz#68a259aabbef9d08d1252c2e63c398e476308e80"
+  integrity sha512-UlPB1ME4i/71cih/Rv92gK8043CrJTc2mjkyxDp4pdJ7ZfzY0g0hdGjjDB23jX3X+NXSneCdQbScGhn6K2tbpQ==
+  dependencies:
+    ajv "^6.10.2"
+    ajv-keywords "^3.4.1"
+
 select-hose@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/select-hose/-/select-hose-2.0.0.tgz#625d8658f865af43ec962bfc376a37359a4994ca"
@@ -6297,12 +6305,13 @@ strip-json-comments@~2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/strip-json-comments/-/strip-json-comments-2.0.1.tgz#3c531942e908c2697c0ec344858c286c7ca0a60a"
 
-style-loader@^0.23.0:
-  version "0.23.1"
-  resolved "https://registry.yarnpkg.com/style-loader/-/style-loader-0.23.1.tgz#cb9154606f3e771ab6c4ab637026a1049174d925"
+style-loader@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/style-loader/-/style-loader-1.0.1.tgz#aec6d4c61d0ed8d0a442faed741d4dfc6573888a"
+  integrity sha512-CnpEkSR1C+REjudiTWCv4+ssP7SCiuaQZJTZDWBRwTJoS90mdqkB8uOGMHKgVeUzpaU7IfLWoyQbvvs5Joj3Xw==
   dependencies:
-    loader-utils "^1.1.0"
-    schema-utils "^1.0.0"
+    loader-utils "^1.2.3"
+    schema-utils "^2.0.1"
 
 supports-color@6.1.0, supports-color@^6.1.0:
   version "6.1.0"