Make locked workflow artifact names unique

Author: sim642

.github/workflows/locked.yml

@@ -85,7 +85,7 @@ jobs:
       - uses: actions/upload-artifact@v4
         if: always()
         with:
-          name: suite_result
+          name: suite_result-${{ matrix.os }}
           path: tests/suite_result/
 
   extraction: