chore: update codecov to v5

Author: nfischer

.github/workflows/main.yml

@@ -26,7 +26,7 @@ jobs:
       - run: npm run test
       - run: npm run check-node-support
       - name: Upload coverage reports to Codecov
-        uses: codecov/codecov-action@v4
+        uses: codecov/codecov-action@v5
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           fail_ci_if_error: true