fix: @types/video.js has no default export (#28776)

* fix: @types/video.js has no default export

related #28418

* change video.js version back to 7.2

types/video.js/index.d.ts

@@ -8,6 +8,7 @@
 //                 Grzegorz Błaszczyk <https://github.com/gjanblaszczyk>
 //                 Stéphane Roucheray <https://github.com/sroucheray>
 //                 Adam Eisenreich <https://github.com/AkxeOne>
+//                 Mei Qingguang <https://github.com/meikidd>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 // TypeScript Version: 2.1
 
@@ -32,7 +33,7 @@
  * @return A player instance
  */
 declare function videojs(id: any, options?: videojs.PlayerOptions, ready?: () => void): videojs.Player;
-export = videojs;
+export default videojs;
 export as namespace videojs;
 
 declare namespace videojs {

types/video.js/video.js-tests.ts

@@ -1,4 +1,4 @@
-import * as videojs from 'video.js';
+import videojs from 'video.js';
 
 videojs("example_video_1").ready(function() {
 	// EXAMPLE: Start playing the video.