Update requirements.txt

Author: dishaprakash

samples/migrations/requirements.txt

@@ -1,13 +1,13 @@
-langchain-chroma==0.2.5
-langchain-core==0.3.74
-langchain-google-alloydb-pg==0.12.0
-langchain-milvus==0.2.1
-langchain-pinecone==0.2.11
+langchain-chroma==0.2.3
+langchain-core==0.3.55
+langchain-google-alloydb-pg==0.10.0
+langchain-milvus==0.1.9
+langchain-pinecone==0.2.3
 langchain-qdrant==0.2.0
-langchain-weaviate==0.0.5
+langchain-weaviate==0.0.4
 pinecone-client==6.0.0
-pymilvus==2.6.0
+pymilvus==2.5.6
 pytest-asyncio==0.26.0
-pytest==8.4.1
-qdrant-client==1.15.1
-weaviate-client==4.16.7
+pytest==8.3.5
+qdrant-client==1.14.1
+weaviate-client==4.14.0