changelog: adds note about closing #13577

CHANGELOG.md

@@ -39,6 +39,7 @@
 * **Teams**: Fix cannot select team if not included in initial search [#13425](https://github.com/grafana/grafana/issues/13425)
 * **Render**: Support full height screenshots using phantomjs render script [#13352](https://github.com/grafana/grafana/pull/13352), thx [@amuraru](https://github.com/amuraru)
 * **HTTP API**: Support retrieving teams by user [#14120](https://github.com/grafana/grafana/pull/14120), thx [@supercharlesliu](https://github.com/supercharlesliu)
+* **Metrics**: Add basic authentication to metrics endpoint [#13577](https://github.com/grafana/grafana/issues/13577), thx [@bobmshannon](https://github.com/bobmshannon)
 
 ### Breaking changes