fix wrong solution.discuss header

Author: woung717

lib/plugins/solution.discuss.js

@@ -24,9 +24,9 @@ function setupHeaders(opts, user) {
   opts.headers['X-Requested-With'] = 'XMLHttpRequest';
 
   opts.headers['User-Agent'] = 'Mozilla/5.0 (X11; Linux x86_64; rv:123.0) Gecko/20100101 Firefox/123.0';
-  opts.headers['Referer'] = 'https://leetcode.cn';
-  opts.headers['Origin'] = 'https://leetcode.cn/';
-  opts.headers['Host'] = 'leetcode.cn';
+  opts.headers['Referer'] = 'https://leetcode.com';
+  opts.headers['Origin'] = 'https://leetcode.com/';
+  opts.headers['Host'] = 'leetcode.com';
   opts.headers['Content-Type'] = 'application/json';
   opts.headers['Accept'] = 'application/json';
 }