Kafka Streams Dead Letter Queue in Spring Kafka 4.1

Introduction Spring Kafka 4.1 raises the Apache Kafka baseline to 4.2.0. With this release, it introduces Spring-friendly integration for Kafka Streams KIP-1033 (processing exception handling) and KIP-1034 (dead letter queue in Kafka Streams), both originally proposed by Michelin and available respectively since Apache Kafka 3.9 and