build(deps): bump mongodb from 6.13.0 to 6.14.0 in /apps/OpenSignServer

Bumps [mongodb](https://github.com/mongodb/node-mongodb-native) from 6.13.0 to 6.14.0.
- [Release notes](https://github.com/mongodb/node-mongodb-native/releases)
- [Changelog](https://github.com/mongodb/node-mongodb-native/blob/main/HISTORY.md)
- [Commits](https://github.com/mongodb/node-mongodb-native/compare/v6.13.0...v6.14.0)

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

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

apps/OpenSignServer/package.json

@@ -36,7 +36,7 @@
     "generate-api-key": "^1.0.2",
     "googleapis": "^144.0.0",
     "mailgun.js": "^11.1.0",
-    "mongodb": "^6.13.0",
+    "mongodb": "^6.14.0",
     "multer": "^1.4.5-lts.1",
     "multer-s3": "^3.0.1",
     "node-forge": "^1.3.1",