Spark 4.1: Fail publish_changes procedure if there's more than one matching snapshot#14955

SamWheating wants to merge 6 commits intoapache:mainapache/iceberg:mainfrom

SamWheating:sw-fail-publish-changes-on-duplicate-wap-idSamWheating/iceberg:sw-fail-publish-changes-on-duplicate-wap-idCopy head branch name to clipboard