Update requirements.txt

requirements.txt

@@ -91,13 +91,13 @@ kiwisolver==1.4.7
 langchain==0.3.4
 langchain-community==0.3.3
 langchain_core==0.3.12
-langchain-huggingface==0.0.3
-langchain-openai==0.1.23
-langchain-qdrant==0.1.3
+langchain-huggingface==0.1.3
+langchain-openai==0.2.3
+langchain-qdrant==0.1.4
 langchain-text-splitters<0.4
 langgraph==0.2.19
-langgraph-checkpoint==1.0.9
-langsmith==0.1.117
+langgraph-checkpoint==2.0.2
+langsmith==0.1.137
 markdown-it-py==3.0.0
 MarkupSafe==2.1.5
 marshmallow==3.22.0