update type of toHaveDisplayValue matcher

Author: jaworek

src/matchers/extend-expect.d.ts

@@ -1,6 +1,12 @@
+import { TextMatch, TextMatchOptions } from '../matches';
+
 export interface JestNativeMatchers<R> {
   toBeOnTheScreen(): R;
   toBeEmptyElement(): R;
+  toHaveDisplayValue(
+    expectedValue: TextMatch,
+    options?: TextMatchOptions
+  ): R;
 }
 
 // Implicit Jest global `expect`.