fix(runtime): use more null proto objects (#23921)

This is a primordialization effort to improve resistance against users
tampering with the global `Object` prototype.

---------

Co-authored-by: Bartek Iwańczuk <biwanczuk@gmail.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/ext/fetch/23_request.js b/ext/fetch/23_request.js
index 873d05a2b..adebe13b3 100644
--- a/ext/fetch/23_request.js
+++ b/ext/fetch/23_request.js
@@ -300,7 +300,7 @@ class Request {
    * @param {RequestInfo} input
    * @param {RequestInit} init
    */
-  constructor(input, init = {}) {
+  constructor(input, init = { __proto__: null }) {
     if (input === _brand) {
       this[_brand] = _brand;
       return;