build: bump openai from 1.6.1 to 1.58.1 in /ResearchAssistant/App

Bumps [openai](https://github.com/openai/openai-python) from 1.6.1 to 1.58.1.
- [Release notes](https://github.com/openai/openai-python/releases)
- [Changelog](https://github.com/openai/openai-python/blob/main/CHANGELOG.md)
- [Commits](openai/openai-python@v1.6.1...v1.58.1)

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

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

Author: dependabot[bot]

ResearchAssistant/App/requirements.txt

@@ -1,6 +1,6 @@
 azure-identity==1.14.0
 Flask==3.0.0
-openai==1.6.1
+openai==1.58.1
 azure-search-documents==11.4.0b6
 azure-storage-blob==12.17.0
 python-dotenv==1.0.0