(ci/cd) add langfuse

.circleci/config.yml

@@ -33,6 +33,7 @@ jobs:
             pip install "boto3>=1.28.57"
             pip install appdirs
             pip install langchain
+            pip install langfuse
             pip install numpydoc
             pip install traceloop-sdk==0.0.69
             pip install openai