Hi, my apple watch ultra updated to OS 11.3.1(22S560) and now my battery only lasts about 4hrs from 100% it's paired with a Iphone 16pro on OS 18.3.2 Before update my watch lasted 2.5-3 days without charging, now I have to charge 3 times a day. I have turned off app refresh, live activities, and have put in low power mode. can anybody help please