build(deps): bump mongoose from 6.12.8 to 8.8.3 in /apps/discord

Bumps [mongoose](https://github.com/Automattic/mongoose) from 6.12.8 to 8.8.3.
- [Release notes](https://github.com/Automattic/mongoose/releases)
- [Changelog](https://github.com/Automattic/mongoose/blob/master/CHANGELOG.md)
- [Commits](Automattic/mongoose@6.12.8...8.8.3)

---
updated-dependencies:
- dependency-name: mongoose
  dependency-type: direct:production
...

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

apps/discord/package.json

@@ -34,7 +34,7 @@
     "events": "^3.3.0",
     "hound": "^1.0.5",
     "mal-scraper": "^2.11.4",
-    "mongoose": "^6.11.3",
+    "mongoose": "^8.8.3",
     "ms": "^2.1.3",
     "nekos.life": "^3.0.0",
     "os-utils": "^0.0.14",