Bump lodash from 2.4.2 to 4.17.19

Bumps [lodash](https://github.com/lodash/lodash) from 2.4.2 to 4.17.19.
- [Release notes](https://github.com/lodash/lodash/releases)
- [Commits](lodash/lodash@2.4.2...4.17.19)

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

package.json

@@ -13,7 +13,7 @@
     "urllib-sync": "~1.1.2",
     "express": "^4.10.1",
     "express-handlebars": "^1.1.0",
-    "lodash": "^2.4.1",
+    "lodash": "^4.17.19",
     "mongoose": "^4.2.4"
   },
   "engines": {