fix: Fix Cluster CR with correct barmanObjectStore schema

infrastructure/addons/cnpg/postgres-cluster.yaml

@@ -30,37 +30,28 @@ spec:
   externalClusters:
     - name: b2-backup
       barmanObjectStore:
-        bucketName: HetznerTerra
-        region: us-east-005
-        endpoint: https://s3.us-east-005.backblazeb2.com
-        s3Compatible:
-          enabled: true
-        credentials:
-          accessKeyIdSecret:
+        destinationPath: s3://HetznerTerra/rancher-backups/
+        endpointURL: https://s3.us-east-005.backblazeb2.com
+        s3Credentials:
+          accessKeyId:
             name: b2-credentials
             key: B2_ACCOUNT_ID
-          secretAccessKeySecret:
+          secretAccessKey:
             name: b2-credentials
             key: B2_APPLICATION_KEY
-        backupPath: rancher-backups/
 
   backup:
     barmanObjectStore:
-      bucketName: HetznerTerra
-      region: us-east-005
-      endpoint: https://s3.us-east-005.backblazeb2.com
-      s3Compatible:
-        enabled: true
-      credentials:
-        accessKeyIdSecret:
+      destinationPath: s3://HetznerTerra/rancher-backups/
+      endpointURL: https://s3.us-east-005.backblazeb2.com
+      s3Credentials:
+        accessKeyId:
           name: b2-credentials
           key: B2_ACCOUNT_ID
-        secretAccessKeySecret:
+        secretAccessKey:
           name: b2-credentials
           key: B2_APPLICATION_KEY
-      backupPath: rancher-backups/
-      walPath: rancher-backups/wals
-    retentionPolicy: keep14
+      retentionPolicy: keep14
 
   serviceAccountTemplate:
     metadata: