fix timescale image

k8s/base/database/cluster.yaml

@@ -4,7 +4,7 @@ metadata:
   name: timescale-cluster
 spec:
   instances: 3
-  imageName: ghcr.io/cloudnative-pg/postgresql:15
+  imageName: ghcr.io/cloudnative-pg/postgresql:pg15
   bootstrap:
     initdb:
       database: app
@@ -36,7 +36,6 @@ spec:
       checkpoint_completion_target: "0.9"
       random_page_cost: "1.1"       # SSD optimiert
       effective_io_concurrency: "200"
-      shared_preload_libraries: "timescaledb"
   backup:
     retentionPolicy: "7d"   # Backup älter als 7 Tage -> automatisch gelöscht
     barmanObjectStore:

k8s/base/database/restore-configmap.yaml

@@ -11,7 +11,7 @@ data:
       name: timescale-restore-test
     spec:
       instances: 1
-      imageName: ghcr.io/cloudnative-pg/postgresql:15
+      imageName: ghcr.io/cloudnative-pg/postgresql:pg15
       bootstrap:
         recovery:
           source: timescale-cluster