doc: add arguments for stream event of Http2Server and Http2SecureServer

PR-URL: #37892
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

doc/api/http2.md

@@ -1789,9 +1789,17 @@ an `Http2Session` object associated with the `Http2Server`.
 added: v8.4.0
 -->
 
+* `stream` {Http2Stream} A reference to the stream
+* `headers` {HTTP/2 Headers Object} An object describing the headers
+* `flags` {number} The associated numeric flags
+* `rawHeaders` {Array} An array containing the raw header names followed by
+  their respective values.
+
 The `'stream'` event is emitted when a `'stream'` event has been emitted by
 an `Http2Session` associated with the server.
 
+See also [`Http2Session`'s `'stream'` event][].
+
 ```js
 const http2 = require('http2');
 const {
@@ -1977,9 +1985,17 @@ an `Http2Session` object associated with the `Http2SecureServer`.
 added: v8.4.0
 -->
 
+* `stream` {Http2Stream} A reference to the stream
+* `headers` {HTTP/2 Headers Object} An object describing the headers
+* `flags` {number} The associated numeric flags
+* `rawHeaders` {Array} An array containing the raw header names followed by
+  their respective values.
+
 The `'stream'` event is emitted when a `'stream'` event has been emitted by
 an `Http2Session` associated with the server.
 
+See also [`Http2Session`'s `'stream'` event][].
+
 ```js
 const http2 = require('http2');
 const {
@@ -3739,6 +3755,7 @@ following additional properties:
 [`Http2ServerRequest`]: #http2_class_http2_http2serverrequest
 [`Http2ServerResponse`]: #http2_class_http2_http2serverresponse
 [`Http2Session` and Sockets]: #http2_http2session_and_sockets
+[`Http2Session`'s `'stream'` event]: #http2_event_stream
 [`Http2Stream`]: #http2_class_http2stream
 [`ServerHttp2Stream`]: #http2_class_serverhttp2stream
 [`TypeError`]: errors.md#errors_class_typeerror