changelog: adds note for #11165

CHANGELOG.md

@@ -14,6 +14,7 @@
 * **Prometheus**: Support POST for query and query_range [#9859](https://github.com/grafana/grafana/pull/9859), thx [@mtanda](https://github.com/mtanda)
 * **Alerting**: Add support for retries on alert queries [#5855](https://github.com/grafana/grafana/issues/5855), thx [@Thib17](https://github.com/Thib17)
 * **Table**: Table plugin value mappings [#7119](https://github.com/grafana/grafana/issues/7119), thx [infernix](https://github.com/infernix)
+* **IE11**: IE 11 compatibility [#11165](https://github.com/grafana/grafana/issues/11165)
 
 ### Minor
 * **OpsGenie**: Add triggered alerts as description [#11046](https://github.com/grafana/grafana/pull/11046), thx [@llamashoes](https://github.com/llamashoes)