src: use non-deprecated WriteUtf8V2() method

PR-URL: https://github.com/nodejs/node/pull/58070
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Darshan Sen <raisinten@gmail.com>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com>

src/string_bytes.cc

@@ -271,7 +271,8 @@ size_t StringBytes::Write(Isolate* isolate,
 
     case BUFFER:
     case UTF8:
-      nbytes = str->WriteUtf8(isolate, buf, buflen, nullptr, flags);
+      nbytes = str->WriteUtf8V2(
+          isolate, buf, buflen, String::WriteFlags::kReplaceInvalidUtf8);
       break;
 
     case UCS2: {