Security dependencies update (#227)

Parent issue: sequentech/meta#567

Dependabot tickets:
- https://github.com/sequentech/election-portal/security/dependabot/35

package.json

@@ -13,6 +13,7 @@
     "last 8 versions"
   ],
   "devDependencies": {
+    "**/follow-redirects": "1.15.4",
     "@lodder/grunt-postcss": "^3.0.0",
     "angular-local-storage": "^0.7.1",
     "angular-mocks": "~1.8.0",