update changlog

CHANGELOG.md

@@ -25,6 +25,7 @@ Please mark all change in change log and use the ticket from JIRA.
 - \#509 - IVF_PQ index build trapped into dead loop caused by invalid params
 - \#513 - Unittest DELETE_BY_RANGE sometimes failed
 - \#527 - faiss benchmark not compatible with faiss 1.6.0
+- \#532 - assigin value to `table_name` from confest shell
 
 ## Feature
 - \#12 - Pure CPU version for Milvus