fix(container): update image ghcr.io/cloudnative-pg/postgresql to v16.1-7

[bot-ross]

This PR contains the following updates:

Package	Update	Change
ghcr.io/cloudnative-pg/postgresql	patch	16.1-6 -> 16.1-7

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[bot-ross]

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

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

@@ -25,13 +25,13 @@

       serverName: postgres16-v1
       wal:
         compression: bzip2
         maxParallel: 8
     retentionPolicy: 30d
   enableSuperuserAccess: true
-  imageName: ghcr.io/cloudnative-pg/postgresql:16.1-6
+  imageName: ghcr.io/cloudnative-pg/postgresql:16.1-7
   instances: 3
   monitoring:
     enablePodMonitor: true
   postgresql:
     parameters:
       max_connections: '600'