build(deps): bump mongodb from 5.9.2 to 6.15.0

Bumps [mongodb](https://github.com/mongodb/node-mongodb-native) from 5.9.2 to 6.15.0.
- [Release notes](https://github.com/mongodb/node-mongodb-native/releases)
- [Changelog](https://github.com/mongodb/node-mongodb-native/blob/main/HISTORY.md)
- [Commits](mongodb/node-mongodb-native@v5.9.2...v6.15.0)

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

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

Author: dependabot[bot]

package.json

@@ -28,7 +28,7 @@
     "formidable": "^3.5.2",
     "framer-motion": "^12.0.0",
     "md5": "^2.3.0",
-    "mongodb": "^5.9.2",
+    "mongodb": "^6.15.0",
     "mongoose": "^8.10.1",
     "multer": "^1.4.5-lts.1",
     "next": "^13.5.4",