test: harden bounded Kafka supervisor timeouts - #20124

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: github/codeql-action/analyze@v3, github/codeql-action/init@v3. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

deprecated item is not annotated with @deprecated

getReadyThreads() in org.eclipse.jetty.util.thread.QueuedThreadPool has been deprecated and marked for removal

getReadyThreads() in org.eclipse.jetty.util.thread.QueuedThreadPool has been deprecated and marked for removal

org.eclipse.jetty.server.handler.gzip.GzipHandler in org.eclipse.jetty.server.handler.gzip has been deprecated and marked for removal

org.eclipse.jetty.server.handler.gzip.GzipHandler in org.eclipse.jetty.server.handler.gzip has been deprecated and marked for removal

org.eclipse.jetty.server.handler.gzip.GzipHandler in org.eclipse.jetty.server.handler.gzip has been deprecated and marked for removal

destroy() in java.lang.ThreadGroup has been deprecated and marked for removal

finalize() in java.lang.Object has been deprecated and marked for removal

finalize() in java.lang.Object has been deprecated and marked for removal

finalize() in java.lang.Object has been deprecated and marked for removal