build(deps): bump openai from 5.19.1 to 5.20.3 (#3584)

Bumps [openai](https://github.com/openai/openai-node) from 5.19.1 to 5.20.3.
- [Release notes](https://github.com/openai/openai-node/releases)
- [Changelog](https://github.com/openai/openai-node/blob/master/CHANGELOG.md)
- [Commits](openai/openai-node@v5.19.1...v5.20.3)

---
updated-dependencies:
- dependency-name: openai
  dependency-version: 5.20.3
  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": "^1.33.1",
     "js-yaml": "^4.1.0",
     "mustache": "^4.2.0",
-    "openai": "^5.19.1",
+    "openai": "^5.20.3",
     "postman-code-generators": "^1.14.1",
     "postman-collection": "^5.1.1",
     "semver": "^7.7.2",