chore(deps): bump openai from 6.13.0 to 6.15.0 in the npm-prod group (#160)

Bumps the npm-prod group with 1 update: [openai](https://github.com/openai/openai-node).


Updates `openai` from 6.13.0 to 6.15.0
- [Release notes](https://github.com/openai/openai-node/releases)
- [Changelog](https://github.com/openai/openai-node/blob/master/CHANGELOG.md)
- [Commits](openai/openai-node@v6.13.0...v6.15.0)

---
updated-dependencies:
- dependency-name: openai
  dependency-version: 6.15.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: npm-prod
...

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

Author: dependabot[bot]

package-lock.json

@@ -29,7 +29,7 @@
     "cheerio": "1.1.2",
     "dotenv": "^17.2.3",
     "fdir": "^6.5.0",
-    "openai": "^6.13.0",
+    "openai": "^6.15.0",
     "pg": "^8.16.3",
     "pgvector": "^0.2.1",
     "rehype-parse": "^9.0.1",