Suppress a new RuboCop offense

Follow up rubocop/rubocop#12332

This commit suppresses the following new RuboCop offense:

```console
$ bundle exec rake
(snip)

lib/rubocop/cop/rails/save_bang.rb:341:15: C: [Correctable] InternalAffairs/MethodNameEqual:
Use !node.method?(:destroy) instead.
            node.method_name != :destroy &&
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^

292 files inspected, 1 offense detected, 1 offense autocorrectable
```

lib/rubocop/cop/rails/save_bang.rb

@@ -336,10 +336,10 @@ def persist_method?(node, methods = RESTRICT_ON_SEND)
 
         # Check argument signature as no arguments or one hash
         def expected_signature?(node)
-          !node.arguments? ||
-            (node.arguments.one? &&
-              node.method_name != :destroy &&
-              (node.first_argument.hash_type? || !node.first_argument.literal?))
+          return true unless node.arguments?
+          return false if !node.arguments.one? || node.method?(:destroy)
+
+          node.first_argument.hash_type? || !node.first_argument.literal?
         end
       end
     end