Add scope?: string to Td HTML attributes (#18381)

This attribute exists on both <th> and <td> but is present only in <th> currently: https://www.w3schools.com/tags/att_td_scope.asp

types/react/index.d.ts

@@ -2911,6 +2911,7 @@ declare namespace React {
         colSpan?: number;
         headers?: string;
         rowSpan?: number;
+        scope?: string;
     }
 
     interface ThHTMLAttributes<T> extends HTMLAttributes<T> {