4117 [image_picker] Fixed IOException when cache directory is removed (cla: yes, waiting for tree to go green, p: image_picker, platform-android)

4122 [in_app_purchase] Added country code to sk product wrapper (cla: yes, waiting for tree to go green, p: in_app_purchase, platform-ios)

4131 [quick_actions] Add const constructor (cla: yes, waiting for tree to go green, p: quick_actions)

4136 [url_launcher] Prepare plugin repo for binding API improvements. (cla: yes, waiting for tree to go green, p: url_launcher)

4137 [various] Prepare plugin repo for binding API improvements (cla: yes, waiting for tree to go green, p: battery, p: webview_flutter, p: camera, p: video_player, p: sensors, p: connectivity)