Update node sass

Author: rthrfrd

package.json

@@ -93,7 +93,7 @@
     "mkdirp": "^0.5.1",
     "mocha": "2.4.5",
     "nock": "^8.0.0",
-    "node-sass": "4.8.3",
+    "node-sass": "4.10.0",
     "npm-run-all": "3.1.2",
     "prettier": "^1.7.4",
     "react-addons-test-utils": "15.4.1",