Update moment to 2.21.0 as previous version had vulnerability

samples/react-search-refiners/package.json

@@ -24,7 +24,7 @@
     "@types/webpack-env": ">=1.12.1 <1.14.0",
     "immutability-helper": "2.4.0",
     "lodash-es": "4.17.4",
-    "moment": "2.18.1",
+    "moment": "2.21.0",
     "office-ui-fabric-react": "4.40.2-hotfix.1",
     "react": "15.6.2",
     "react-custom-scrollbars": "4.1.2",

samples/react-search/package-lock.json

@@ -0,0 +1,13 @@
+{
+  "name": "search-wp-spfx",
+  "version": "1.0.0",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
+    "moment": {
+      "version": "2.17.1",
+      "resolved": "https://registry.npmjs.org/moment/-/moment-2.17.1.tgz",
+      "integrity": "sha1-/tlQYGPzaxDwZsi1mhRNf66+HYI="
+    }
+  }
+}

samples/react-search/package.json

@@ -16,7 +16,7 @@
     "@types/react-dom": "0.14.18",
     "@types/webpack-env": ">=1.12.1 <1.14.0",
     "flux": "3.1.2",
-    "moment": "2.17.1",
+    "moment": "^2.21.0",
     "react": "15.4.2",
     "react-dom": "15.4.2"
   },