Bump node-sass from 3.13.1 to 4.14.1 in /installer/templates/new

Bumps [node-sass](https://github.com/sass/node-sass) from 3.13.1 to 4.14.1.
- [Release notes](https://github.com/sass/node-sass/releases)
- [Changelog](https://github.com/sass/node-sass/blob/master/CHANGELOG.md)
- [Commits](sass/node-sass@v3.13.1...v4.14.1)

Signed-off-by: dependabot[bot] <support@github.com>

installer/templates/new/package.json

@@ -39,7 +39,7 @@
     "imports-loader": "0.6.5",
     "expose-loader": "0.7.1",
     "css-loader": "^0.9.1",
-    "node-sass": "^3.4.2",
+    "node-sass": "^4.14.1",
     "react": "^0.14.7",
     "react-dom": "^0.14.7",
     "glob": "7.1.0",