chore(deps): bump mongoose from 7.6.0 to 8.1.0

Bumps [mongoose](https://github.com/Automattic/mongoose) from 7.6.0 to 8.1.0.
- [Release notes](https://github.com/Automattic/mongoose/releases)
- [Changelog](https://github.com/Automattic/mongoose/blob/master/CHANGELOG.md)
- [Commits](Automattic/mongoose@7.6.0...8.1.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -26,7 +26,7 @@
     "express-session": "^1.17.3",
     "hbs": "^4.2.0",
     "jsonwebtoken": "^9.0.2",
-    "mongoose": "^7.6.0",
+    "mongoose": "^8.1.0",
     "openai": "^4.4.0",
     "passport": "^0.6.0",
     "passport-google-oauth": "^2.0.0",