fix(widgets): add refetchInterval to WidgetDefinition for per-widget polling (#6352)

packages/widgets/src/releases/index.ts

@@ -14,6 +14,7 @@ const relativeDateSchema = z
 
 export const { definition, componentLoader } = createWidgetDefinition("releases", {
   icon: IconRocket,
+  refetchInterval: null,
   createOptions() {
     return optionsBuilder.from((factory) => ({
       newReleaseWithin: factory.text({