Update codecov/codecov-action action to v5

Author: renovate[bot]

.github/workflows/test.yaml

@@ -66,7 +66,7 @@ jobs:
       - name: Run test suite
         run: tox -e django${{ matrix.django }}-py${{ matrix.py }} --skip-pkg-install
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v4.5.0
+        uses: codecov/codecov-action@v5.0.6
         with:
           file: ./coverage.xml
           fail_ci_if_error: true