Bump cacheable-request and nodemon

Removes [cacheable-request](https://github.com/jaredwray/cacheable-request). It's no longer used after updating ancestor dependency [nodemon](https://github.com/remy/nodemon). These dependencies need to be updated together.


Removes `cacheable-request`

Updates `nodemon` from 2.0.12 to 2.0.20
- [Release notes](https://github.com/remy/nodemon/releases)
- [Commits](https://github.com/remy/nodemon/compare/v2.0.12...v2.0.20)

---
updated-dependencies:
- dependency-name: cacheable-request
  dependency-type: indirect
- dependency-name: nodemon
  dependency-type: indirect
...

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

package.json

@@ -22,7 +22,7 @@
     "axios": "^0.21.3",
     "cookie-parser": "^1.4.5",
     "express": "^4.17.1",
-    "express-rate-limit": "^5.3.0",
+    "express-rate-limit": "^5.2.6",
     "hcaptcha": "^0.0.2",
     "helmet": "^4.6.0",
     "http-errors": "^1.8.0",