Fix: Update torch/transformers versions for compatibility

Author: SmridhVarma

services/rag/requirements.txt

@@ -4,8 +4,10 @@ uvicorn[standard]==0.27.0
 pydantic==2.5.3
 asyncpg==0.29.0
 pgvector==0.2.4
-torch==2.1.2+cpu
-sentence-transformers==2.3.1
+torch==2.2.0+cpu
+transformers==4.38.0
+sentence-transformers==2.5.0
 numpy==1.26.3
 python-multipart==0.0.6
 sqlalchemy[asyncio]==2.0.25
+