Bump @bull-board/nestjs from 5.11.0 to 5.15.3

Bumps [@bull-board/nestjs](https://github.com/felixmosh/bull-board/tree/HEAD/packages/nestjs) from 5.11.0 to 5.15.3.
- [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/v5.15.3/packages/nestjs)

---
updated-dependencies:
- dependency-name: "@bull-board/nestjs"
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

package.json

@@ -77,7 +77,7 @@
     "@aws-crypto/client-node": "4.0.0",
     "@bull-board/api": "^5.13.0",
     "@bull-board/express": "^5.13.0",
-    "@bull-board/nestjs": "^5.11.0",
+    "@bull-board/nestjs": "^5.15.3",
     "@docusaurus/core": "3.1.1",
     "@docusaurus/preset-classic": "3.1.1",
     "@docusaurus/theme-mermaid": "3.1.1",