doc: https update default request timeout

PR-URL: #46184
Reviewed-By: Paolo Insogna <paolo@cowtech.it>
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>

Author: marco-ippolito

doc/api/https.md

@@ -176,9 +176,14 @@ See [`server.maxHeadersCount`][] in the `node:http` module.
 
 <!-- YAML
 added: v14.11.0
+changes:
+  - version: v18.0.0
+    pr-url: https://github.com/nodejs/node/pull/41263
+    description: The default request timeout changed
+                 from no timeout to 300s (5 minutes).
 -->
 
-* {number} **Default:** `0`
+* {number} **Default:** `300000`
 
 See [`server.requestTimeout`][] in the `node:http` module.