upgrade Auth workshop dependencies to address security alerts

Author: samdengler

Auth/website/package.json

@@ -5,14 +5,20 @@
   "dependencies": {
     "aws-amplify": "^1.0.0",
     "aws-amplify-react": "^1.0.0",
+    "axios": "^0.18.1",
+    "eslint": "^4.18.2",
     "esri-loader": "^2.2.0",
+    "js-yaml": "^3.13.1",
     "lodash": "^4.17.12",
+    "mem": "^4.0.0",
     "normalize.css": "^8.0.0",
     "react": "^16.2.0",
     "react-dom": "^16.2.0",
     "react-router-dom": "^4.2.2",
     "react-scripts": "1.1.1",
-    "uuid": "^3.2.1"
+    "set-value": "^2.0.1",
+    "uuid": "^3.2.1",
+    "webpack-dev-server": "^3.1.11"
   },
   "scripts": {
     "start": "react-scripts start",