Bump formidable from 2.1.1 to 3.5.1

Bumps [formidable](https://github.com/node-formidable/formidable) from 2.1.1 to 3.5.1.
- [Release notes](https://github.com/node-formidable/formidable/releases)
- [Changelog](https://github.com/node-formidable/formidable/blob/master/CHANGELOG.md)
- [Commits](https://github.com/node-formidable/formidable/commits/v3.5.1)

---
updated-dependencies:
- dependency-name: formidable
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package-lock.json

@@ -53,7 +53,7 @@
     "express-rate-limit": "6.9.0",
     "express-session": "1.17.3",
     "form-data": "^4.0.0",
-    "formidable": "2.1.1",
+    "formidable": "3.5.1",
     "fs-extra": "11.1.1",
     "geoip-lite": "1.4.7",
     "get-random-values": "^2.0.0",