Add type definition for Http2Stream#id property (#35982)

types/node/http2.d.ts

@@ -71,6 +71,7 @@ declare module "http2" {
          * indicating that no additional data should be received and the readable side of the Http2Stream will be closed.
          */
         readonly endAfterHeaders: boolean;
+        readonly id?: number;
         readonly pending: boolean;
         readonly rstCode: number;
         readonly sentHeaders: OutgoingHttpHeaders;

types/node/test/http2.ts

@@ -143,6 +143,7 @@ import { URL } from 'url';
     const bufferSize: number = http2Stream.bufferSize;
     const closed: boolean = http2Stream.closed;
     const destroyed: boolean = http2Stream.destroyed;
+    const id: number | undefined = http2Stream.id;
     const pending: boolean = http2Stream.pending;
 
     http2Stream.priority({