Force array on replicate webhook filters

Author: josefarias

lib/ruby_llm/providers/replicate/images.rb

@@ -26,7 +26,7 @@ def render_image_payload(prompt, model:, size:, **params)
             payload[:input] = { prompt: prompt }.merge(params)
 
             if @config.replicate_webhook_events_filter
-              payload[:webhook_events_filter] = @config.replicate_webhook_events_filter
+              payload[:webhook_events_filter] = Array(@config.replicate_webhook_events_filter)
             end
           end
         end