Update requirements.txt

requirements.txt

@@ -1,4 +1,5 @@
 gradio==4.21.0
-transformers==4.40.2          # ≥4.40 works fine with Llama 3.1
-accelerate==0.30.0            # gives device_map="auto"
-torch==2.5.1                  # CPU wheel; fits the supported list
+transformers==4.47.1        # any ≥4.44 works; 4.47.1 tested May-2025
+accelerate==0.30.0
+torch==2.5.1                # CPU wheel, inside ZeroGPU’s allowed range
+sentencepiece               # tokenizer dep for Llama models