update

Former-commit-id: 9a00d0a0d8c93bbc8b2b8ae744fc5729b9d03865

cpp/CHANGELOG.md

@@ -91,13 +91,13 @@ Please mark all change in change log and use the ticket from JIRA.
 - MS-482 - Change search stream transport to unary in grpc
 - MS-487 - Define metric type in CreateTable
 - MS-488 - Improve code format in scheduler
+- MS-495 - cmake: integrated knowhere
 
 ## New Feature
 - MS-343 - Implement ResourceMgr
 - MS-338 - NewAPI: refine code to support CreateIndex
 - MS-339 - NewAPI: refine code to support DropIndex
 - MS-340 - NewAPI: implement DescribeIndex
-- MS-495 - cmake: integrated knowhere
 
 ## Task
 - MS-297 - disable mysql unit test