build(deps): bump express-openapi-validator from 5.3.7 to 5.3.8

Bumps [express-openapi-validator](https://github.com/cdimascio/express-openapi-validator) from 5.3.7 to 5.3.8.
- [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@v5.3.7...v5.3.8)

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

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

Author: dependabot[bot]

packages/backend/package.json

@@ -103,7 +103,7 @@
   "dependencies": {
     "@huggingface/gguf": "^0.1.12",
     "express": "^4.21.1",
-    "express-openapi-validator": "^5.3.7",
+    "express-openapi-validator": "^5.3.8",
     "isomorphic-git": "^1.27.1",
     "js-yaml": "^4.1.0",
     "mustache": "^4.2.0",