docs(rpc): fix mis-aimed RPC links - #594

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: Jerome1337/comment-pull-request@v1.0.4. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/