update hf repo name and make it configable from env

[postor]

the error in ComfyUI

SPAR3DLoader
404 Client Error. (Request ID: Root=1-67811af3-7e7767b41549eb972b61c38b;3d15c1cd-aa05-4a24-9c69-df0bc780ce25)

Repository Not Found for url: https://huggingface.co/stabilityai/spar3d/resolve/main/config.yaml.
Please make sure you specified the correct `repo_id` and `repo_type`.
If you are trying to access a private or gated repo, make sure you are authenticated.

if HF repo name have new changes

# start comfyui with env, change `stabilityai/stable-point-aware-3d` to new name
SPAR3D_MODEL_NAME=stabilityai/stable-point-aware-3d python main.py