fix: unmarshal instance requirements arguments on droby load

lib/syskit/droby/v5/droby_dump.rb

@@ -279,7 +279,7 @@ def initialize(name, model, arguments)
                     def proxy(peer)
                         requirements = InstanceRequirements.new([peer.local_object(@model)])
                         requirements.name = @name
-                        requirements.with_arguments(**@arguments)
+                        requirements.with_arguments(**peer.local_object(@arguments))
                         requirements
                     end
                 end