fix(helm): update chart mariadb to 18.0.6

[renovate]

This PR contains the following updates:

Package	Update	Change
mariadb (source)	patch	18.0.5 -> 18.0.6

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[github-actions]

--- kubernetes/apps/databases/mariadb/app Kustomization: flux-system/cluster-apps-mariadb HelmRelease: databases/mariadb

+++ kubernetes/apps/databases/mariadb/app Kustomization: flux-system/cluster-apps-mariadb HelmRelease: databases/mariadb

@@ -13,13 +13,13 @@

       chart: mariadb
       interval: 15m
       sourceRef:
         kind: HelmRepository
         name: bitnami
         namespace: flux-system
-      version: 18.0.5
+      version: 18.0.6
   install:
     createNamespace: true
     remediation:
       retries: 3
   interval: 15m
   maxHistory: 3

[github-actions]

--- HelmRelease: databases/mariadb NetworkPolicy: databases/mariadb

+++ HelmRelease: databases/mariadb NetworkPolicy: databases/mariadb

@@ -12,13 +12,13 @@

   podSelector:
     matchLabels:
       app.kubernetes.io/instance: mariadb
       app.kubernetes.io/managed-by: Helm
       app.kubernetes.io/name: mariadb
       app.kubernetes.io/version: 11.3.2
-      helm.sh/chart: mariadb-18.0.5
+      helm.sh/chart: mariadb-18.0.6
   policyTypes:
   - Ingress
   - Egress
   egress:
   - {}
   ingress:
--- HelmRelease: databases/mariadb StatefulSet: databases/mariadb

+++ HelmRelease: databases/mariadb StatefulSet: databases/mariadb

@@ -20,13 +20,13 @@

   serviceName: mariadb
   updateStrategy:
     type: RollingUpdate
   template:
     metadata:
       annotations:
-        checksum/configuration: dac526a479c59273f61623f3f5b940113331ef380ab688292f94f60ff9cdc9a4
+        checksum/configuration: 4e7eff4950a7371c3d7dcdce779de403181c20b0eafdc58f7e26342a667bef68
       labels:
         app.kubernetes.io/instance: mariadb
         app.kubernetes.io/managed-by: Helm
         app.kubernetes.io/name: mariadb
         app.kubernetes.io/component: primary
     spec: