External Version bump for smartos new version string "20250515T001218Z,20250501T000434Z,20250417T003816Z,20250403T000540Z"

roles/netbootxyz/defaults/main.yml

@@ -473,14 +473,14 @@ releases:
     mirror: https://netboot.smartos.org/os/
     name: SmartOS
     versions:
+    - code_name: 20250515T001218Z
+      name: 20250515T001218Z
     - code_name: 20250501T000434Z
       name: 20250501T000434Z
     - code_name: 20250417T003816Z
       name: 20250417T003816Z
     - code_name: 20250403T000540Z
       name: 20250403T000540Z
-    - code_name: 20250320T000454Z
-      name: 20250320T000454Z
   talos:
     enabled: true
     menu: linux