changlog: adds note about closing #13551 and #13507

CHANGELOG.md

@@ -2,6 +2,8 @@
 
 # 5.3.0-beta3 ()
 
+* **Stackdriver**: Fix for missing ngInject [#13511](https://github.com/grafana/grafana/pull/13511)
+* **Permissions**: Fix for broken permissions selector [#13507](https://github.com/grafana/grafana/issues/13507)
 * **Alerting**: Alert reminders deduping not working as expected when running multiple Grafana instances [#13492](https://github.com/grafana/grafana/issues/13492)
 
 # 5.3.0-beta2 (2018-10-01)