Update codecov/codecov-action action to v5

Author: renovate[bot]

.github/workflows/ci.yml

@@ -108,7 +108,7 @@ jobs:
           PYTHONDEVMODE=1 pytest -v -ra --cov=murfey --cov-report=xml --cov-branch
 
       - name: Upload to Codecov
-        uses: codecov/codecov-action@v4
+        uses: codecov/codecov-action@v5
         with:
           name: ${{ matrix.python-version }}
           files: coverage.xml