bump build 2.4.1

Merge remote-tracking branch 'origin/main'

bump build 2.2.0

v1.4build2.1 - support iOS 17.6+

TestFlight v1.4 build 1.9

build 1.8

build 1.7

Remove some images from readme

bump build 12.4

Fix bg async dispatch

Fixed:
- async dispatch means the expiration handler returns before the task is ended

- The Thread.sleep delay means the task isn't ended promptly

- The weak self reference means the task might never be ended if self is deallocated