Update values.yaml

Author: feiyu563

example/helm/prometheusalert/values.yaml

@@ -10,7 +10,7 @@ replicaCount: 1
 
 image:
   # 支持配置自定义模版需要重出镜像，或者使用本人构建镜像：lusson/prometheusalert:v1.0
-  repository: feiyu563/prometheus-alert:v4.9.1
+  repository: feiyu563/prometheus-alert:v4.9.2
   pullPolicy: IfNotPresent
 
 nameOverride: ""