build(deps): bump mongoose from 8.0.2 to 8.1.1 in /api

Bumps [mongoose](https://github.com/Automattic/mongoose) from 8.0.2 to 8.1.1.
- [Release notes](https://github.com/Automattic/mongoose/releases)
- [Changelog](https://github.com/Automattic/mongoose/blob/master/CHANGELOG.md)
- [Commits](Automattic/mongoose@8.0.2...8.1.1)

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

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

api/package.json

@@ -33,7 +33,7 @@
  "cors": "^2.8.5",
  "express": "4.18.2",
  "jsonwebtoken": "^9.0.0",
- "mongoose": "8.0.2"
+ "mongoose": "8.1.1"
  },
  "devDependencies": {
  "chai": "^4.3.4",