fix: upgrade firebase-functions from 4.8.1 to 4.9.0

Snyk has created this PR to upgrade firebase-functions from 4.8.1 to 4.9.0.

See this package in npm:
https://www.npmjs.com/package/firebase-functions

See this project in Snyk:
https://app.snyk.io/org/saileshbro-sv8/project/f48f1716-92f8-4f18-ad8a-9c25cb9ab2eb?utm_source=github&utm_medium=referral&page=upgrade-pr

Author: snyk-bot

package-lock.json

@@ -75,7 +75,7 @@
     "express": "^4.19.2",
     "express-fileupload": "^1.5.0",
     "firebase-admin": "^12.0.0",
-    "firebase-functions": "^4.8.1",
+    "firebase-functions": "^4.9.0",
     "glob": "^8.1.0"
   },
   "homepage": "https://github.com/filledstacks/firebase-backend#readme",