deps: bump op-reth pin - #577

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4, mozilla-actions/sccache-action@v0.0.9. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

Failed to restore: Server failed to authenticate the request. Make sure the value of Authorization header is formed correctly including the signature. RequestId:67e33dd2-601e-0040-586e-3c90c9000000 Time:2026-09-04T13:09:32.4231725Z