chore(package): update style-loader to version 1.2.1

Closes #66

Author: greenkeeper[bot]

package.json

@@ -35,7 +35,7 @@
     "resolve-url-loader": "3.1.0",
     "rimraf": "2.6.3",
     "sass-loader": "7.1.0",
-    "style-loader": "0.23.1",
+    "style-loader": "1.2.1",
     "ts-loader": "^6.0.1",
     "tslib": "1.9.3",
     "tslint": "5.16.0",