fix(helm): update chart grafana to 8.5.3

kubernetes/main/apps/monitoring/grafana/helm-release.yaml

@@ -8,7 +8,7 @@ spec:
   chart:
     spec:
       chart: grafana
-      version: "8.5.4"
+      version: "8.5.3"
       sourceRef:
         kind: HelmRepository
         name: grafana-charts

kubernetes/main/core/longhorn/kustomization.yaml

@@ -6,4 +6,3 @@ resources:
 - ./helm-release.yaml
 - ./alerts.yaml
 - ./service-monitor.yaml
-- ./snapshot-class.yaml

kubernetes/main/core/longhorn/snapshot-class.yaml

@@ -1,7 +0,0 @@
-# yaml-language-server: $schema=https://kubernetes-schemas.pages.dev/snapshot.storage.k8s.io/volumesnapshotclass_v1.json
-kind: VolumeSnapshotClass
-apiVersion: snapshot.storage.k8s.io/v1
-metadata:
-  name: longhorn
-driver: driver.longhorn.io
-deletionPolicy: Delete

kubernetes/thin/apps/monitoring/grafana/app/helm-release.yaml

@@ -8,7 +8,7 @@ spec:
   chart:
     spec:
       chart: grafana
-      version: "8.5.4"
+      version: "8.5.3"
       sourceRef:
         kind: HelmRepository
         name: grafana