feat: summary cell support inheritAttrs

Author: tangjinzhou

components/vc-table/Footer/Cell.tsx

@@ -14,7 +14,6 @@ export interface SummaryCellProps {
 
 export default defineComponent<SummaryCellProps>({
   name: 'SummaryCell',
-  inheritAttrs: false,
   props: ['index', 'colSpan', 'rowSpan', 'align'] as any,
   setup(props, { attrs, slots }) {
     const tableContext = useInjectTable();