Bump openai from 0.28.0 to 0.28.1 in /api/terraform/python/layer_genai

Bumps [openai](https://github.com/openai/openai-python) from 0.28.0 to 0.28.1.
- [Release notes](https://github.com/openai/openai-python/releases)
- [Commits](openai/openai-python@v0.28.0...v0.28.1)

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

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

api/terraform/python/layer_genai/requirements.txt

@@ -8,7 +8,7 @@
 #             requirements in the zip package for this layer.
 # -----------------------------------------------------------------------------
 python-dotenv
-openai==0.28.0
+openai==0.28.1
 langchain==0.0.330
 langchain-experimental==0.0.37
 pinecone-client==2.2.4