Fix artifact upgrade

Author: CoMPaTech

.github/workflows/verify.yml

@@ -145,11 +145,15 @@ jobs:
           . venv/bin/activate
           uv pip install -r requirements.txt -r requirements-test.txt
       - name: Download all coverage artifacts
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
+        with:
+          pattern: coverage-*
+          merge-multiple: true
+          path: ${{ github.workspace }}/artifacts
       - name: Combine coverage results
         run: |
           . venv/bin/activate
-          coverage combine coverage*/.coverage*
+          coverage combine artifacts/.coverage*
           coverage report --fail-under=85
           coverage xml
       - name: Upload coverage to Codecov