fix: try gradio 5.x to fix json_schema bool bug + localhost handling

fix: use fully modern compatible stack (diffusers 0.30 + transformers 4.44 + gradio 4.40+)

fix: pin jinja2<3.1 for gradio 4.12 compat + set GRADIO_SERVER_NAME env

fix: pin full compatible stack: diffusers 0.24 + transformers 4.36 + gradio 4.12 + hf_hub 0.19.4

fix: match original Dockerfile + pin huggingface_hub==0.19.4 in requirements.txt

fix: downgrade gradio to 4.38.0 (4.44 has bool iteration bug)

fix: upgrade gradio to 4.44 (Jinja2 fix) + share=True for HF Spaces launch

fix: use diffusers 0.30+ with huggingface_hub>=0.22 (cached_download removed)

fix: upgrade to diffusers 0.28.0 + transformers 4.40 for modern huggingface_hub compat

fix: pin huggingface_hub<0.20 for cached_download compat with diffusers 0.25.1

fix: pin dependency versions in Dockerfile to resolve diffusers/transformers incompatibility

Upload folder using huggingface_hub