Merge pull request #83 from auth0-samples/node-12-fix

Bumped `node-sass` to 4.12.0

Author: luisrudge

01-Login/package-lock.json

@@ -22,7 +22,7 @@
     "auth0-js": "^9.10.0",
     "babel-eslint": "^10.0.1",
     "highlight.js": "^9.14.2",
-    "node-sass": "^4.11.0",
+    "node-sass": "^4.12.0",
     "npm-run-all": "^4.1.5",
     "sass-loader": "^7.1.0",
     "vue": "^2.6.2",