feat(container): update image redis to v18.4.0

[bot-ross]

This PR contains the following updates:

Package	Update	Change
redis	minor	18.3.3 -> 18.4.0

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[bot-ross]

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

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

@@ -9,13 +9,13 @@

     spec:
       chart: redis
       sourceRef:
         kind: HelmRepository
         name: bitnami
         namespace: flux-system
-      version: 18.3.3
+      version: 18.4.0
   install:
     remediation:
       retries: 3
   interval: 30m
   maxHistory: 2
   timeout: 15m