When I go into App Store on my iPhone, it doesn’t show update button.

ME WAITING FOR COPPER GOLEM AND GEAR TO BE ADDED TO MOBILE MINECRAFT (IM ON IPHONE AND IT STILL SAYS IN-GAME 1.21.92); IT HASN’T COME OUT FOR NORMAL BEDROCK EDITION IF YOU KNOW WHAT I MEAN ONLY FOR PREVIEW AND BETA THEY SAID