3252 [url_launcher] Update readme for URL schemes on iOS (cla: yes, p: url_launcher, waiting for tree to go green)

3274 [in_app_purchase] presentCodeRedemptionSheet (cla: yes, p: in_app_purchase, platform-ios, waiting for tree to go green)

3281 Document how to use pigeon and update to the latest version. (cla: yes, p: video_player, platform-android, platform-ios, waiting for tree to go green)

3434 [google_maps_flutter] add tile overlays (cla: yes, p: google_maps_flutter, platform-android, platform-ios, waiting for tree to go green)

3451 [file_selector_platform_interface]: Verify that extensions don’t have leading dots. (cla: yes, p: file_selector, waiting for tree to go green)