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

Closes #54

Author: greenkeeper[bot]

package.json

@@ -102,7 +102,7 @@
     "react-test-renderer": "^16.3.0",
     "redux": "^4.0.0",
     "request": "^2.85.0",
-    "style-loader": "^0.21.0",
+    "style-loader": "^0.22.1",
     "stylelint": "^9.1.3",
     "stylelint-config-css-modules": "^1.2.0",
     "stylelint-config-standard": "^18.2.0",