chore(package): update style-loader to version 0.22.1

Closes #16

Author: greenkeeper[bot]

package.json

@@ -36,7 +36,7 @@
     "raw-loader": "^0.5.1",
     "react-dom": "^15.6.1",
     "storybook-readme": "^3.0.5",
-    "style-loader": "^0.19.0",
+    "style-loader": "^0.22.1",
     "webpack": "^3.3.0",
     "webpack-node-externals": "^1.6.0"
   },