chore: Downgrade PyTorch and torchvision versions in requirements.txt

- Changed PyTorch from 2.5.1 to 2.2.1 and torchvision from 0.20.1 to 0.17.1 to align with project requirements and compatibility.

requirements.txt

@@ -1,5 +1,5 @@
-torch==2.5.1
-torchvision==0.20.1
+pytorch==2.2.1
+torchvision==0.17.1
 accelerate==0.31.0
 git+https://github.com/huggingface/diffusers.git
 matplotlib==3.9.1