Upgrade dependencies

Author: alexdevero

package.json

@@ -52,7 +52,7 @@
     "extract-text-webpack-plugin": "^3.0.2",
     "html-webpack-plugin": "^2.30.1",
     "image-webpack-loader": "^3.4.2",
-    "node-sass": "^4.7.1",
+    "node-sass": "^4.7.2",
     "normalize.css": "^7.0.0",
     "postcss-loader": "^2.0.8",
     "react-hot-loader": "3.1.3",

yarn.lock

@@ -4679,9 +4679,9 @@ node-pre-gyp@^0.6.36:
     tar "^2.2.1"
     tar-pack "^3.4.0"
 
-node-sass@^4.7.1:
-  version "4.7.1"
-  resolved "https://registry.yarnpkg.com/node-sass/-/node-sass-4.7.1.tgz#bec978ab33b5cf56825bf72922323a56ebaf4f66"
+node-sass@^4.7.2:
+  version "4.7.2"
+  resolved "https://registry.yarnpkg.com/node-sass/-/node-sass-4.7.2.tgz#9366778ba1469eb01438a9e8592f4262bcb6794e"
   dependencies:
     async-foreach "^0.1.3"
     chalk "^1.1.1"