Bump winston from 3.8.2 to 3.9.0 in /server (#258)

Bumps [winston](https://github.com/winstonjs/winston) from 3.8.2 to 3.9.0.
- [Release notes](https://github.com/winstonjs/winston/releases)
- [Changelog](https://github.com/winstonjs/winston/blob/master/CHANGELOG.md)
- [Commits](winstonjs/winston@v3.8.2...v3.9.0)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

server/package.json

@@ -22,7 +22,7 @@
     "pg-hstore": "^2.3.4",
     "redis": "^4.6.7",
     "sequelize": "^6.32.0",
-    "winston": "^3.8.1",
+    "winston": "^3.9.0",
     "ws": "^8.8.1"
   },
   "files": [