Update requirements.txt

requirements.txt

 transformers==4.39.0
 wandb==0.15.3
-torch==2.0.1
 sentencepiece==0.1.99
-tokenizers==0.13.3
+tokenizers==0.15.0
 accelerate==0.30.1
-bitsandbytes==0.40.0
 vllm
 fraction
 tqdm