Bump mongoose from 7.6.2 to 7.8.3 in /packages/server

Bumps [mongoose](https://github.com/Automattic/mongoose) from 7.6.2 to 7.8.3.
- [Release notes](https://github.com/Automattic/mongoose/releases)
- [Changelog](https://github.com/Automattic/mongoose/blob/7.8.3/CHANGELOG.md)
- [Commits](Automattic/mongoose@7.6.2...7.8.3)

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

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

Author: dependabot[bot]

packages/server/package.json

@@ -41,7 +41,7 @@
     "joi": "^17.12.2",
     "jsonwebtoken": "^9.0.2",
     "livepeer": "3.5.0",
-    "mongoose": "7.6.2",
+    "mongoose": "7.8.3",
     "morgan": "^1.10.0",
     "multer": "^1.4.5-lts.1",
     "nanoid": "3.3.8",