Modify CI pipeline for build script path

Updated the CI pipeline to include changes in the build script path and ensured proper cleanup of directories after the CI process.

Author: songqiang-enflame-tech

.github/workflows/ci.yml

@@ -62,7 +62,7 @@ jobs:
             -v /home/pypi_packages:/home/pypi_packages \
             -w /app \
             "${{ env.CI_IMAGE }}" \
-            bash -c 'sudo git config --global --add safe.directory /app/DeepEP;cd /app/DeepEP && bash ./build.sh ci_build'
+            bash -c 'sudo git config --global --add safe.directory /app/DeepEP;cd /app/DeepEP/.pipeline && bash ./build.sh ci_build'
 
       - name: Upload wheel artifact
         uses: actions/upload-artifact@v4