fix(container): update ghcr.io/cloudnative-pg/postgresql ( 16.3-1 → 16.3-4 )

[parsec-renovate]

This PR contains the following updates:

Package	Update	Change
ghcr.io/cloudnative-pg/postgresql	patch	16.3-1 -> 16.3-4

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[github-actions]

--- kubernetes/apps/database/cloudnative-pg/cluster Kustomization: flux-system/cloudnative-pg-cluster Cluster: database/postgres16

+++ kubernetes/apps/database/cloudnative-pg/cluster Kustomization: flux-system/cloudnative-pg-cluster Cluster: database/postgres16

@@ -46,13 +46,13 @@

           name: cloudnative-pg-secret
       serverName: postgres16-v3
       wal:
         compression: bzip2
         maxParallel: 8
     name: postgres16-v3
-  imageName: ghcr.io/cloudnative-pg/postgresql:16.3-1
+  imageName: ghcr.io/cloudnative-pg/postgresql:16.3-4
   instances: 3
   monitoring:
     enablePodMonitor: true
     podMonitorMetricRelabelings:
     - action: replace
       sourceLabels: