changelog: note about closing #9798

CHANGELOG.md

@@ -21,6 +21,7 @@
 * **Mysql**: MySQL enable MaxOpenCon and MaxIdleCon regards how constring is configured.  [#9784](https://github.com/grafana/grafana/issues/9784), thx [@dfredell](https://github.com/dfredell)
 * **Cloudwatch**: Fixes broken query inspector for cloudwatch [#9661](https://github.com/grafana/grafana/issues/9661), thx [@mtanda](https://github.com/mtanda)
 * **Dashboard**: Make it possible to start dashboards from search and dashboard list panel [#1871](https://github.com/grafana/grafana/issues/1871)
+* **Annotations**: Posting annotations now return the id of the annotation [#9798](https://github.com/grafana/grafana/issues/9798)
 
 ## Tech
 * **RabbitMq**: Remove support for publishing events to RabbitMQ [#9645](https://github.com/grafana/grafana/issues/9645)