Use latest versions of Almaliunx

As these roll often, prefer the latest version so
they don't break often, will look at adding support for
vault specific versions later for this and Rocky

roles/netbootxyz/defaults/main.yml

@@ -127,14 +127,10 @@ releases:
     mirror: http://repo.almalinux.org
     name: AlmaLinux
     versions:
-    - code_name: 9.2
-      name: 9.2
-    - code_name: 9.1
-      name: 9.1
-    - code_name: 9.0
-      name: 9.0
-    - code_name: 8.7
-      name: 8.7
+    - code_name: 9
+      name: 9 (Latest)
+    - code_name: 8
+      name: 8 (Latest)
   alpinelinux:
     base_dir: alpine
     enabled: true