Make versioning-policy up-to-date with Spark 4.2.0#661

dongjoon-hyun merged 2 commits intoapache:asf-siteapache/spark-website:asf-sitefrom

dongjoon-hyun:update_versioning_policy_page_with_4.2dongjoon-hyun/spark-website:update_versioning_policy_page_with_4.2Copy head branch name to clipboard