{cu128-megapak-pt28} Update Nunchaku to 1.2.0

Author: YanWenKun

cu128-megapak-pt28/Dockerfile

@@ -236,7 +236,7 @@ RUN --mount=type=cache,target=/root/.cache/pip \
     pip install -U uv \
     # Nunchaku (binary pair with PyTorch)
     && pip install \
-https://github.com/nunchaku-tech/nunchaku/releases/download/v1.1.0/nunchaku-1.1.0+torch2.8-cp312-cp312-linux_x86_64.whl \
+https://github.com/nunchaku-ai/nunchaku/releases/download/v1.2.0/nunchaku-1.2.0+torch2.8-cp312-cp312-linux_x86_64.whl \
     # FlashAttention (version pair with xFormers, binary pair with PyTorch & CUDA)
     && pip install \
 https://github.com/mjun0812/flash-attention-prebuild-wheels/releases/download/v0.3.14/flash_attn-2.8.2+cu128torch2.8-cp312-cp312-linux_x86_64.whl \