test/case: disable mdns-allow-deny for release, unstable

Signed-off-by: Joachim Wiberg <[email protected]>

Author: troglobit

test/case/infix_services/mdns/mdns.yaml

@@ -2,5 +2,6 @@
 - name: mdns_enable_disable
   case: mdns_enable_disable/test.py
 
-- name: mdns_allow_deny
-  case: mdns_allow_deny/test.py
+# Disabled for v25.08, unstable
+# - name: mdns_allow_deny
+#   case: mdns_allow_deny/test.py