Attempt to fix v5 download issue

Author: CoMPaTech

.github/workflows/verify.yml

@@ -210,9 +210,6 @@ jobs:
       - prepare
       - pytest
       - mypy
-    strategy:
-      matrix:
-        python-version: ["3.13"]
     steps:
       - name: Check out committed code
         uses: actions/checkout@v5
@@ -228,11 +225,12 @@ jobs:
         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 artifacts/coverage-*/.coverage* || mv artifacts/coverage-*/.coverage* .coverage
+          coverage combine artifacts/coverage-*/.coverage*
           coverage report --fail-under=94
           coverage xml
       - name: Upload coverage to Codecov