docs: update torchvision version in CUDA installation guide

- Update torchvision version from0.21.1 to0.21.0 in Windows CUDA acceleration guides
- Update both English and Chinese versions of the documentation

docs/README_Windows_CUDA_Acceleration_en_US.md

@@ -64,7 +64,7 @@ If your graphics card has at least 6GB of VRAM, follow these steps to test CUDA-
 1. **Overwrite the installation of torch and torchvision** supporting CUDA.(Please select the appropriate index-url based on your CUDA version. For more details, refer to the [PyTorch official website](https://pytorch.org/get-started/locally/).)
 
    ```
-   pip install --force-reinstall torch==2.6.0 torchvision==0.21.1 "numpy<2.0.0" --index-url https://download.pytorch.org/whl/cu124
+   pip install --force-reinstall torch==2.6.0 torchvision==0.21.0 "numpy<2.0.0" --index-url https://download.pytorch.org/whl/cu124
    ```
 
 2. **Modify the value of `"device-mode"`** in the `magic-pdf.json` configuration file located in your user directory.

docs/README_Windows_CUDA_Acceleration_zh_CN.md

@@ -65,7 +65,7 @@ pip install -U magic-pdf[full] -i https://mirrors.aliyun.com/pypi/simple
 **1.覆盖安装支持cuda的torch和torchvision**(请根据cuda版本选择合适的index-url，具体可参考[torch官网](https://pytorch.org/get-started/locally/))
 
 ```bash
-pip install --force-reinstall torch==2.6.0 torchvision==0.21.1 "numpy<2.0.0" --index-url https://download.pytorch.org/whl/cu124
+pip install --force-reinstall torch==2.6.0 torchvision==0.21.0 "numpy<2.0.0" --index-url https://download.pytorch.org/whl/cu124
 ```
 
 **2.修改【用户目录】中配置文件magic-pdf.json中"device-mode"的值**