chore(deps)(deps): bump @bull-board/express from 7.2.1 to 8.0.0

Bumps [@bull-board/express](https://github.com/felixmosh/bull-board/tree/HEAD/packages/express) from 7.2.1 to 8.0.0.
- [Release notes](https://github.com/felixmosh/bull-board/releases)
- [Changelog](https://github.com/felixmosh/bull-board/blob/master/CHANGELOG.md)
- [Commits](https://github.com/felixmosh/bull-board/commits/v8.0.0/packages/express)

---
updated-dependencies:
- dependency-name: "@bull-board/express"
  dependency-version: 8.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

backend/package.json

@@ -15,7 +15,7 @@
   "dependencies": {
     "@anthropic-ai/sdk": "^0.39.0",
     "@bull-board/api": "^7.2.1",
-    "@bull-board/express": "^7.2.1",
+    "@bull-board/express": "^8.0.0",
     "@clickhouse/client": "^1.14.0",
     "@google/generative-ai": "^0.24.1",
     "@nestjs/bullmq": "^11.0.4",