chore(deps): bump openai from 4.104.0 to 5.21.0

Bumps [openai](https://github.com/openai/openai-node) from 4.104.0 to 5.21.0.
- [Release notes](https://github.com/openai/openai-node/releases)
- [Changelog](https://github.com/openai/openai-node/blob/master/CHANGELOG.md)
- [Commits](openai/openai-node@v4.104.0...v5.21.0)

---
updated-dependencies:
- dependency-name: openai
  dependency-version: 5.21.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package-lock.json

@@ -105,7 +105,7 @@
     "nats": "^2.29.1",
     "node-cache": "^5.1.2",
     "node-cron": "^3.0.3",
-    "openai": "^4.77.3",
+    "openai": "^5.21.0",
     "pg": "^8.13.1",
     "pino": "^9.10.0",
     "prisma": "^6.1.0",