Adapt dashboards for Grafana 11 compatibility (#11399)

Author: Roberdvs

deploy/grafana/dashboards/README.md

@@ -19,7 +19,7 @@ This folder contains two dashboards that you can import.
 
 ### Requirements
 
-- **Grafana v5.2.0** (or newer)
+- **Grafana v10.4.3** (or newer)
 
 ## 2. Request Handling Performance
 
@@ -36,4 +36,4 @@ This folder contains two dashboards that you can import.
 
 ### Requirements
 
-- **Grafana v6.6.0** (or newer)
+- **Grafana v10.4.3** (or newer)