Simplify requirements to use latest compatible versions

requirements.txt

@@ -1,8 +1,7 @@
-gradio==4.26.0
-torch==2.0.1
-torchvision==0.15.2
-diffusers==0.24.0
-transformers==4.35.0
-safetensors==0.4.1
-accelerate==0.24.0
-omegaconf==2.3.0
+gradio
+torch
+torchvision
+diffusers
+transformers
+safetensors
+accelerate