add workflow for coverage

.github/workflows/github-workflow.yaml

@@ -67,4 +67,4 @@ jobs:
           git config --global user.email 'github-actions[bot]@users.noreply.github.com'
           git add README.md  # Ensure README.md is staged
           git commit -m "Update coverage badge"
-          git push origin main
+          git push origin ${GITHUB_REF#refs/heads/}