update featute state to beta

Author: T-Lakshmi

content/en/docs/reference/instrumentation/slis.md

@@ -9,7 +9,7 @@ weight: 20
 
 <!-- overview -->
 
-{{< feature-state for_k8s_version="v1.29" state="stable" >}}
+{{< feature-state feature_gate_name="ComponentSLIs" >}}
 
 By default, Kubernetes {{< skew currentVersion >}} publishes Service Level Indicator (SLI) metrics 
 for each Kubernetes component binary. This metric endpoint is exposed on the serving