build(deps): bump openai from 5.12.2 to 5.13.1 (#3471)

Bumps [openai](https://github.com/openai/openai-node) from 5.12.2 to 5.13.1.
- [Release notes](https://github.com/openai/openai-node/releases)
- [Changelog](https://github.com/openai/openai-node/blob/master/CHANGELOG.md)
- [Commits](openai/openai-node@v5.12.2...v5.13.1)

---
updated-dependencies:
- dependency-name: openai
  dependency-version: 5.13.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

@@ -119,7 +119,7 @@
     "isomorphic-git": "^1.33.0",
     "js-yaml": "^4.1.0",
     "mustache": "^4.2.0",
-    "openai": "^5.12.2",
+    "openai": "^5.13.1",
     "postman-code-generators": "^1.14.1",
     "postman-collection": "^5.1.0",
     "semver": "^7.7.2",