3877 [in_app_purchase] Implementation of the app facing package (cla: yes, p: in_app_purchase, platform-ios, platform-android)

3878 Only mark PRs for publishing that change pubspec (cla: yes)

3879 [in_app_purchase] Update to pub version of in_app_purchase_platform_interface dependency (cla: yes, waiting for tree to go green, p: in_app_purchase, platform-ios, platform-android)

3880 Revert “[tool] github action to auto publish (skeleton) “ (cla: yes)

3881 [image_picker] Image picker fix alert (cla: yes, waiting for tree to go green, p: image_picker, platform-ios)

3882 Update tool README for packages use (cla: yes)