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

Closes #23

Author: greenkeeper[bot]

package.json

@@ -36,7 +36,7 @@
     "mini-css-extract-plugin": "^0.8.0",
     "rimraf": "^2.6.2",
     "sass-loader": "^7.1.0",
-    "style-loader": "^0.23.1",
+    "style-loader": "^1.2.1",
     "ts-jest": "^24.0.0",
     "ts-loader": "^5.3.0",
     "tslint": "^5.11.0",