Replace namespace with chart namespace

templates/monitoring-grafana.yaml

@@ -3,7 +3,7 @@ apiVersion: helm.toolkit.fluxcd.io/v2
 kind: HelmRelease
 metadata:
   name: grafana
-  namespace: monitoring
+  namespace: {{ .Release.Namespace }}
 spec:
   interval: 30m
   chart:
@@ -13,7 +13,7 @@ spec:
       sourceRef:
         kind: HelmRepository
         name: grafana
-        namespace: flux-system
+        namespace: {{ .Release.Namespace }}
   install:
     createNamespace: true
   values: