Pattern-match node names for VM backup exclusion

environments/production.json

@@ -45,9 +45,9 @@
     "kosmos_kvm": {
       "backup": {
         "nodes_excluded": [
-          "garage-2", "garage-3", "garage-4",
-          "postgres-5",
-          "rsk-mainnet-2", "rsk-testnet-3"
+          "garage-",
+          "rsk-",
+          "postgres-5"
         ]
       }
     },