docs: update changelog

Author: JakobLichterfeld

CHANGELOG.md

@@ -80,6 +80,7 @@
 
 - feat(grafana): make data health summary actionable (#5526 - @magrathean-uk)
 - fix(grafana): drop the Releases panel from the home dashboard to end the CORS proxy dependency (#5548 - @JakobLichterfeld)
+- fix(grafana): use local calendar for Statistics period end boundaries (#5562 - @wjsall)
 
 #### Translations