When I build app on Xcode 15.3 with SWIFT_STRICT_CONCURRENCY=complete, there are some warning. Almost warning can be fixed, but not the TipKit code. Here is the example. Are there any good way to solve it?

I want to change the display language, particularly for week and the year and date on MultiDatePicker. By adjusting the locale, the year and date can be changed. However, I'm unable to change the display for week . I've tried several methods, such as setting the calendar and adjusting the time zone, but none of them seem to work. Are there any good way to solve it?