Feature: correlation_id factory function at broker creation time, e.g. for ulids - #2995

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: mahenzon/md-code-block-auto-lang@cf7aa43dc0026951952b6ae45609ef4539223f05. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/