fix: cancel in-flight full reconnects when the engine closes - #2095

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: andresz1/size-limit-action@94bc357df29c36c8f8d50ea497c3e225c3c95d1d. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/