build(deps): bump express-openapi-validator from 5.5.7 to 5.5.8 (#3362)

Bumps [express-openapi-validator](https://github.com/cdimascio/express-openapi-validator) from 5.5.7 to 5.5.8.
- [Release notes](https://github.com/cdimascio/express-openapi-validator/releases)
- [Changelog](https://github.com/cdimascio/express-openapi-validator/blob/master/CHANGE_HISTORY.md)
- [Commits](cdimascio/express-openapi-validator@v5.5.7...v5.5.8)

---
updated-dependencies:
- dependency-name: express-openapi-validator
  dependency-version: 5.5.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

packages/backend/package.json

@@ -115,7 +115,7 @@
     "@huggingface/hub": "^2.4.0",
     "ai": "^4.3.19",
     "express": "^4.21.2",
-    "express-openapi-validator": "^5.5.7",
+    "express-openapi-validator": "^5.5.8",
     "isomorphic-git": "^1.32.2",
     "js-yaml": "^4.1.0",
     "mustache": "^4.2.0",