chore(package): update sass-loader to version 7.0.1

Author: greenkeeper[bot]

package.json

@@ -24,7 +24,7 @@
     "extract-text-webpack-plugin": "3.0.2",
     "node-sass": "4.8.3",
     "postcss-loader": "2.1.3",
-    "sass-loader": "7.0.0",
+    "sass-loader": "7.0.1",
     "style-loader": "0.20.3",
     "stylelint": "9.2.0",
     "stylelint-order": "0.8.1",