docs: update release notes

Author: luohf-infinilabs

docs/content.en/docs/release-notes/_index.md

@@ -22,6 +22,7 @@ Information about release notes of INFINI Console is provided here.
 - Fixed the wrong display of heatmap's data in alerting message (#157)
 - Fixed Devtools `_sql` support for elasticsearch 6.x (#158)
 - Fixed audit log default sorting across pagination (#161)
+- Fixed mapping type conflict error (#164)
 
 ### Improvements
 - Update agent config with cluster name (#148)

docs/content.zh/docs/release-notes/_index.md

@@ -22,6 +22,7 @@ title: "版本历史"
 - 修复告警消息热图数据显示错误的问题 (#157)
 - 修复开发工具 `_sql` 查询支撑 Elasticsearch 6.x 版本 (#158)
 - 修复审计日志默认排序翻页之后丢失的问题 (#161)
+- 修复 `Mapping` 冲突问题 (#161)
 
 ### Improvements
 - 优化下发给 Agent 的配置，增加集群名称 (#148)