Update codecov/codecov-action action to v5

Author: renovate[bot]

.github/workflows/codecov.yml

@@ -19,6 +19,6 @@ jobs:
       - name: Run tests with coverage
         run: npm run cov-ava
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v4
+        uses: codecov/codecov-action@v5
         with:
           files: ./coverage/lcov.info