Bump mongoose from 9.1.5 to 9.1.6 in the prod-dependencies group

Bumps the prod-dependencies group with 1 update: [mongoose](https://github.com/Automattic/mongoose).


Updates `mongoose` from 9.1.5 to 9.1.6
- [Release notes](https://github.com/Automattic/mongoose/releases)
- [Changelog](https://github.com/Automattic/mongoose/blob/master/CHANGELOG.md)
- [Commits](https://github.com/Automattic/mongoose/compare/9.1.5...9.1.6)

---
updated-dependencies:
- dependency-name: mongoose
  dependency-version: 9.1.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: prod-dependencies
...

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

package.json

@@ -128,7 +128,7 @@
     "marked-variables": "^1.0.5",
     "markedLegacy": "npm:marked@^0.3.19",
     "moment": "^2.30.1",
-    "mongoose": "^9.1.5",
+    "mongoose": "^9.2.1",
     "nanoid": "5.1.6",
     "nconf": "^0.13.0",
     "react": "^18.3.1",