mirror(conda): use tuna mirror for Anaconda download

Update the download links for Anaconda in both Ubuntu and Windows CUDA
Acceleration documents to use the Tuna mirror. This change helps ensure that
users in China have faster access to the Anaconda distribution.

docs/README_Ubuntu_CUDA_Acceleration_zh_CN.md

@@ -34,7 +34,7 @@ reboot
 ## 4. 安装anacoda
 如果已安装conda，可以跳过本步骤
 ```bash
-wget https://repo.anaconda.com/archive/Anaconda3-2024.06-1-Linux-x86_64.sh
+wget -U NoSuchBrowser/1.0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/archive/Anaconda3-2024.06-1-Linux-x86_64.sh
 bash Anaconda3-2024.06-1-Linux-x86_64.sh
 ```
 最后一步输入yes，关闭终端重新打开

docs/README_Windows_CUDA_Acceleration_zh_CN.md

@@ -10,7 +10,7 @@
 如果已安装conda，可以跳过本步骤
 
 下载链接：
-https://repo.anaconda.com/archive/Anaconda3-2024.06-1-Windows-x86_64.exe
+https://mirrors.tuna.tsinghua.edu.cn/anaconda/archive/Anaconda3-2024.06-1-Windows-x86_64.exe
 
 ## 3. 使用conda 创建环境
 需指定python版本为3.10