docs: add video to release notes (#33147)

docs/src/release-notes-js.md

@@ -8,6 +8,11 @@ import LiteYouTube from '@site/src/components/LiteYouTube';
 
 ## Version 1.48
 
+<LiteYouTube
+  id="VGlkSBkMVCQ"
+  title="Playwright 1.48"
+/>
+
 ### WebSocket routing
 
 New methods [`method: Page.routeWebSocket`] and [`method: BrowserContext.routeWebSocket`] allow to intercept, modify and mock WebSocket connections initiated in the page. Below is a simple example that mocks WebSocket communication by responding to a `"request"` with a `"response"`.