feat: configurable queue monitoring for QueueChecker (#269) - #448

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/cache@0400d5f644dc74513175e3cd8d07132dd4860809, actions/checkout@v4, runs-on/action@v1, shivammathur/setup-php@cf4cade2721270509d5b1c766ab3549210a39a2a. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/