feat(container): update image redis to v18.19.1

[renovate]

This PR contains the following updates:

Package	Update	Change	OpenSSF
redis (source)	minor	18.18.1 -> 18.19.1

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[github-actions]

--- kubernetes/apps/database/redis/app Kustomization: flux-system/redis HelmRelease: database/redis

+++ kubernetes/apps/database/redis/app Kustomization: flux-system/redis HelmRelease: database/redis

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

     spec:
       chart: redis
       sourceRef:
         kind: HelmRepository
         name: bitnami
         namespace: flux-system
-      version: 18.18.1
+      version: 18.19.1
   install:
     remediation:
       retries: 3
   interval: 30m
   maxHistory: 2
   timeout: 15m

[github-actions]

--- HelmRelease: database/redis StatefulSet: database/redis-node

+++ HelmRelease: database/redis StatefulSet: database/redis-node

@@ -236,13 +236,13 @@

           mountPath: /opt/bitnami/redis-sentinel/etc
         - name: redis-data
           mountPath: /data
         - name: config
           mountPath: /opt/bitnami/redis-sentinel/mounted-etc
       - name: metrics
-        image: docker.io/bitnami/redis-exporter:1.58.0-debian-12-r3
+        image: docker.io/bitnami/redis-exporter:1.58.0-debian-12-r4
         imagePullPolicy: IfNotPresent
         securityContext:
           allowPrivilegeEscalation: false
           capabilities:
             drop:
             - ALL