Fix upload-artifact@v3

Signed-off-by: Bernát Gábor <[email protected]>

Author: gaborbernat

.github/workflows/check.yml

@@ -50,8 +50,10 @@ jobs:
       - name: Upload coverage data
         uses: actions/upload-artifact@v3
         with:
-          name: coverage-data
+          include-hidden-files: true
+          name: coverage-${{ matrix.os }}-${{ matrix.py }}
           path: ".tox/.coverage.*"
+          retention-days: 3
 
   coverage:
     name: Combine coverage