Loosen dependency pins

requirements.txt

@@ -1,9 +1,9 @@
-accelerate==0.34.2
-bitsandbytes==0.43.3
-fastapi==0.115.0
-gradio==5.5.0
-python-dotenv==1.0.1
-spaces==0.42.0
-torch==2.5.1
-transformers==4.46.1
-uvicorn==0.30.6
+accelerate>=0.25.0
+bitsandbytes>=0.41.0
+fastapi>=0.110.0
+gradio>=4.38.0
+python-dotenv>=1.0.0
+spaces>=0.40.0
+torch>=2.1.0
+transformers>=4.40.0
+uvicorn>=0.22.0