Merge pull request #60 from Artimatic/dependabot/npm_and_yarn/express-4.17.3

Bump express from 4.17.1 to 4.17.3

Author: Artimatic

package-lock.json

@@ -49,7 +49,7 @@
     "errorhandler": "^1.5.0",
     "errors": "^0.3.0",
     "eslint": "^6.8.0",
-    "express": "^4.16.1",
+    "express": "^4.17.3",
     "feedparser": "^2.2.7",
     "file-saver": "^1.3.3",
     "hammerjs": "^2.0.8",