fix: define empty props in slots for nuxt-component-meta parsing

src/runtime/components/CommandPalette.vue

@@ -78,7 +78,7 @@ type SlotProps<T> = (props: { item: T, index: number }) => any
 
 export type CommandPaletteSlots<G extends { slot?: string }, T extends { slot?: string }> = {
   'empty'(props: { searchTerm?: string }): any
-  'close'(): any
+  'close'(props?: any): any
   'item': SlotProps<T>
   'item-leading': SlotProps<T>
   'item-label': SlotProps<T>