docs(changelog): Provide off-the-shelf dashboard

Relates to #3911

Signed-off-by: Tom Kerkhove <kerkhove.tom@gmail.com>

CHANGELOG.md

@@ -38,6 +38,7 @@ To learn more about active deprecations, we recommend checking [GitHub Discussio
 
 ### New
 
+- **General**: Provide off-the-shelf Grafana dashboard for application autoscaling ([#3911](https://github.com/kedacore/keda/issues/3911))
 - **General**: Consolidate all exposed Prometheus Metrics in KEDA Operator ([#3919](https://github.com/kedacore/keda/issues/3919))
 - **General**: Disable response compression for k8s restAPI in client-go ([#3863](https://github.com/kedacore/keda/issues/3863)). Kubernetes issue for reference (https://github.com/kubernetes/kubernetes/issues/112296)
 - **General**: Expand Prometheus metric with label "ScalerName" to distinguish different triggers. The scaleName is defined per Trigger.Name ([#3588](https://github.com/kedacore/keda/issues/3588))