KAFKA-8729: Add upgrade docs for KIP-467 on augmented produce response (#7522)
KAFKA-8729: Add upgrade docs for KIP-467 on augmented produce response (#7522)

Add a paragraph explaining the producer caller's expected behavior change on record validation failure scenarios that are improved by KIP-467.

Reviewers: Tu V. Tran <a3da4c6307d230e1f1c8ad62e00d05ff1f1f5b52@confluent.io>, Jason Gustafson <jason@confluent.io>
lindong28/kafka,Chasego/kafka,lindong28/kafka,apache/kafka,Chasego/kafka,sslavic/kafka,sslavic/kafka,Chasego/kafka,Chasego/kafka,apache/kafka,sslavic/kafka,TiVo/kafka,noslowerdna/kafka,guozhangwang/kafka,noslowerdna/kafka,apache/kafka,TiVo/kafka,sslavic/kafka,noslowerdna/kafka,lindong28/kafka,guozhangwang/kafka,lindong28/kafka,noslowerdna/kafka,apache/kafka,TiVo/kafka,TiVo/kafka,guozhangwang/kafka,guozhangwang/kafka