hosts: add monitoring02 configuration

New test-tier host for monitoring stack expansion with:
- Static IP 10.69.13.24
- 4 CPU cores, 4GB RAM, 20GB disk
- Vault integration and NATS-based deployment enabled

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

terraform/vault/hosts-generated.tf

@@ -39,6 +39,11 @@ locals {
         "secret/data/kanidm/*",
       ]
     }
+    "monitoring02" = {
+      paths = [
+        "secret/data/hosts/monitoring02/*",
+      ]
+    }
   
   }