fix: 修复CI中ml-sharp包安装路径问题

- 使用相对路径 ./ml-sharp/ 替代 ml-sharp/
- 解决pyproject.toml未被识别的问题

Author: TRIP(appergb)

.github/workflows/ci.yml

@@ -33,7 +33,7 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         pip install -r requirements.txt
-        pip install -e ml-sharp/
+        pip install -e ./ml-sharp/
         pip install pytest pytest-cov flake8 black isort mypy
 
     - name: Lint with flake8