LibWeb: Rename XHR::{m_method => m_request_method}

Author: https://github.com/linusg
Commit: 29a8414a05
Pull-request: https://github.com/SerenityOS/serenity/pull/16048
Reviewed-by: https://github.com/davidot
Reviewed-by: https://github.com/kennethmyhra ✅

Userland/Libraries/LibWeb/XHR/XMLHttpRequest.h

@@ -108,7 +108,7 @@ private:
     // https://xhr.spec.whatwg.org/#request-method
     // request method
     //     A method.
-    String m_method;
+    String m_request_method;
 
     // https://xhr.spec.whatwg.org/#request-url
     // request URL