Upload only once

Author: jordimas

.github/workflows/ci.yml

@@ -114,7 +114,7 @@ jobs:
       if: matrix.os == 'ubuntu-latest' && matrix.python-version == '3.12'
       uses: actions/upload-artifact@v4
       with:
-        name: coverage-report
+        name: coverage-report-${{ github.sha }}
         path: coverage.xml
 
     - name: Report test coverage