fix: upgrade express from 4.17.3 to 4.18.1

Snyk has created this PR to upgrade express from 4.17.3 to 4.18.1.

See this package in npm:
https://www.npmjs.com/package/express

See this project in Snyk:
https://app.snyk.io/org/mystikfluu/project/a0cb5db3-5314-4f12-be9d-493a8475edd5?utm_source=github&utm_medium=referral&page=upgrade-pr

package.json

@@ -3,7 +3,7 @@
     "body-parser": "^1.20.0",
     "cookie-parser": "^1.4.6",
     "csurf": "^1.11.0",
-    "express": "^4.17.3",
+    "express": "^4.18.1",
     "express-fileupload": "^1.3.1",
     "express-useragent": "^1.0.15",
     "helmet": "^5.0.2",