fix log to otel test

.circleci/config.yml

@@ -283,7 +283,7 @@ jobs:
             pip install aiohttp
             pip install openai
             python -m pip install --upgrade pip
-            python -m pip install -r .circleci/requirements.txt
+            pip install "pydantic==2.7.1"
             pip install "pytest==7.3.1"
             pip install "pytest-mock==3.12.0"
             pip install "pytest-asyncio==0.21.1"