chore: update type empty (#2685)

* chore: update type empty

Author: xrkffgg

types/empty.d.ts

@@ -3,20 +3,23 @@
 // Definitions: https://github.com/vueComponent/ant-design-vue/types
 
 import { AntdComponent } from './component';
-import { VNode } from 'vue';
+import { VNodeChild, CSSProperties } from 'vue';
 
 export declare class Empty extends AntdComponent {
-  /**
-   * customize description
-   * @type string | VNode
-   */
-  description: string | VNode;
+  $props: {
+    /**
+     * customize description
+     * @type string | VNode
+     */
+    description?: VNodeChild | JSX.Element;
 
-  /**
-   * customize image. Will tread as image url when string provided
-   * @default false
-   * @type string | VNode
-   */
-  image: string | VNode;
-  imageStyle: object;
+    /**
+     * customize image. Will tread as image url when string provided
+     * @default false
+     * @type string | VNode
+     */
+    image?: VNodeChild | JSX.Element;
+
+    imageStyle?: CSSProperties | string;
+  };
 }