Update serializers.js

Co-authored-by: Chemi Atlow <chemi@atlow.co.il>

Author: mertcanaltin

lib/internal/logger/serializers.js

@@ -66,6 +66,7 @@ function serializeOneError(error, seen) {
  */
 function req(req) {
   return {
+    __proto__: null,
     method: req.method,
     url: req.url,
     headers: req.headers,