fix: upgrade mongodb from 6.8.1 to 6.9.0 (#144)

Snyk has created this PR to upgrade mongodb from 6.8.1 to 6.9.0.

See this package in npm:
mongodb

See this project in Snyk:
https://app.snyk.io/org/skanda890/project/5175f1c0-41f3-4c06-bad3-a23fc1612642?utm_source=github&utm_medium=referral&page=upgrade-pr

Co-authored-by: snyk-bot <[email protected]>

Author: skanda890

package-lock.json

@@ -10,7 +10,7 @@
     "axios": "^1.7.7",
     "express": "^5.0.0",
     "https": "^1.0.0",
-    "mongodb": "^6.8.1",
+    "mongodb": "^6.9.0",
     "nodemailer": "^6.9.15",
     "sudoku-gen": "^1.0.2",
     "systeminformation": "^5.23.5"