You wont need to update the server artifact until FiveM releases the new GTA update to FiveM. When the game updates FiveM has to manually convert some things over for it to work on FiveM. They estimated a week after the game update. So just keep an eye out for an announcment of when they have it ready. Then update your server artifact.
If you are curious on everything the collective said in their announcement. Go check it out. Some good information in here.