Update publish dir

Author: debermudez

.github/workflows/code_coverage.yml

@@ -40,5 +40,5 @@ jobs:
         uses: peaceiris/actions-gh-pages@v4
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
-          publish_dir: htmlcov
+          publish_dir: ./htmlcov
           publish_branch: gh-pages