HIVE-2302: docs: Clarify metadataJSONSecretRef optional behavior for cluster adoption#2824

huangmingxia wants to merge 1 commit intoopenshift:masteropenshift/hive:masterfrom

huangmingxia:docs/update-metadataJSONSecretRef-adoption-notehuangmingxia/hive:docs/update-metadataJSONSecretRef-adoption-noteCopy head branch name to clipboard