added safe directory for manually merge latest main 2 (#216)

Author: Strivin0311

.github/workflows/build_test.yaml

@@ -172,6 +172,8 @@ jobs:
       - name: manually merge latest main
         if: github.event_name == 'pull_request_target'
         run: |
+          git config --global --add safe.directory $GITHUB_WORKSPACE
+
           git config user.name "github-actions"
           git config user.email "github-actions@github.com"