Update requirements.txt

requirements.txt

@@ -1,6 +1,7 @@
-accelerate==0.31.0
-bitsandbytes==0.43.1
+accelerate
+bitsandbytes
 gradio==4.37.1
 spaces==0.28.3
-torch==2.2.0
-transformers==4.42.1
+torch==2.1.2
+transformers
+vllm==0.4.0