feat(config): update server names for cnpg17 cluster configurations

flux/clusters/dev-cm/infra-data-post/cnpg17-cluster-hk.yaml

@@ -37,7 +37,7 @@ spec:
       isWALArchiver: true
       parameters:
         barmanObjectName: cnpg17-objectstore-hw
-        serverName: cnpg17-cluster-hk
+        serverName: cnpg17-cluster-hk-a
 
 ---
 apiVersion: postgresql.cnpg.io/v1

flux/clusters/dev-cm/infra-data-post/cnpg17-cluster-sh.yaml

@@ -37,7 +37,7 @@ spec:
       isWALArchiver: true
       parameters:
         barmanObjectName: cnpg17-objectstore-hw
-        serverName: cnpg17-cluster-sh
+        serverName: cnpg17-cluster-sh-a
 
 ---
 apiVersion: postgresql.cnpg.io/v1