Fix missing ts types for TabPane, close #4776

components/tabs/index.tsx

@@ -34,6 +34,8 @@ export interface TabPaneProps {
   /** 选项卡头显示文字 */
   tab?: React.ReactNode | string;
   style?: React.CSSProperties;
+  className?: string;
+  disabled?: boolean;
 }
 
 export default class Tabs extends React.Component<TabsProps, any> {