fix team name to include WG name

Points directly to the WG and matches the naming pattern of most of the
other temp admin teams

As sugggested by @stephanme

Author: silvestre

org/cloudfoundry.yml

@@ -2470,7 +2470,7 @@ orgs:
           multiapps: admin
           multiapps-controller: admin
           multiapps-cli-plugin: admin
-      temp-autoscaler-admins:
+      temp-ari-autoscaler-admins:
         description: "Temporary team for managing autoscaler secrets until we have a permanent plan."
         maintainers:
         - asalan316