Update th and td attributes to include abbr (#40464)

Both `th` and `td` attributes accept the attribute `abbr`, which is meant to be an abbreviated description of the cell's content, mostly for screen readers.

https://developer.mozilla.org/en-US/docs/Web/HTML/Element/th

types/react/index.d.ts

@@ -2196,6 +2196,7 @@ declare namespace React {
         headers?: string;
         rowSpan?: number;
         scope?: string;
+        abbr?: string;
         valign?: "top" | "middle" | "bottom" | "baseline";
     }
 
@@ -2205,6 +2206,7 @@ declare namespace React {
         headers?: string;
         rowSpan?: number;
         scope?: string;
+        abbr?: string;
     }
 
     interface TimeHTMLAttributes<T> extends HTMLAttributes<T> {