build(deps): bump openai from 4.68.1 to 4.68.3

Bumps [openai](https://github.com/openai/openai-node) from 4.68.1 to 4.68.3.
- [Release notes](https://github.com/openai/openai-node/releases)
- [Changelog](https://github.com/openai/openai-node/blob/master/CHANGELOG.md)
- [Commits](openai/openai-node@v4.68.1...v4.68.3)

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

Signed-off-by: dependabot[bot] <support@github.com>

packages/backend/package.json

@@ -107,7 +107,7 @@
     "isomorphic-git": "^1.27.1",
     "js-yaml": "^4.1.0",
     "mustache": "^4.2.0",
-    "openai": "^4.68.1",
+    "openai": "^4.68.3",
     "postman-code-generators": "^1.14.0",
     "postman-collection": "^4.5.0",
     "semver": "^7.6.3",