Update README for 2024A

Author: Azure-stars

README.md

@@ -16,13 +16,13 @@ Course project for THU-OS.
 
 ```bash
 # 清华 git 使用 https
-git clone https://git.tsinghua.edu.cn/os-lab/2024S/public/ucore-tutorial-test-2024S.git user
+git clone https://git.tsinghua.edu.cn/os-lab/2024A/public/ucore-tutorial-test-2024A.git user
 # 清华 git 使用 ssh
-git clone [email protected]:os-lab/2024S/public/ucore-tutorial-test-2024S.git user
+git clone [email protected]:os-lab/2024A/public/ucore-tutorial-test-2024A.git user
 # GitHub 使用 https
-git clone https://github.com/LearningOS/uCore-Tutorial-Test-2024S.git user
+git clone https://github.com/LearningOS/uCore-Tutorial-Test-2024A.git user
 # GitHub 使用 ssh
-git clone [email protected]:LearningOS/uCore-Tutorial-Test-2024S.git user
+git clone [email protected]:LearningOS/uCore-Tutorial-Test-2024A.git user
 ```
 
 注意：`user` 已添加至 `.gitignore`，你无需将其提交，ci 也不会使用它