chore(deps): bump openai from 1.88.0 to 1.93.0

---
updated-dependencies:
- dependency-name: openai
  dependency-version: 1.93.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements/base.txt

@@ -10,7 +10,7 @@ langchain-tests==0.3.17
 langchain-text-splitters==0.3.8
 langchainhub==0.1.21
 langsmith==0.3.45
-openai==1.88.0
+openai==1.93.0
 pinecone==7.2.0
 pinecone-text==0.10.0
 pydantic==2.11.7