Update Requirements.txt

This version adds torch and corrects the gradio version to a recent, stable one.

Requirements.txt

@@ -1,5 +1,6 @@
-gradio==5.45.0
-huggingface-hub>=0.16.4
-transformers>=4.34.0
-safetensors>=0.3.0
-accelerate>=0.20.3
+  gradio==4.31.0
+  huggingface-hub>=0.16.4
+  transformers>=4.34.0
+  safetensors>=0.3.0
+  accelerate>=0.20.3
+  torch