⬆️ Update codecov/codecov-action action to v5

Author: renovate[bot]

.github/workflows/pytest.yml

@@ -24,4 +24,4 @@ jobs:
         run: pytest
       - name: Upload coverage reports to Codecov
         if: matrix.os == 'ubuntu-latest' && matrix.python-version == '3.11'
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v5