3615 [local_auth] Bump version for NNBD stable (cla: yes, nnbd, p: local_auth)

3616 [ios_platform_images] Bump version for stable NNBD (cla: yes, nnbd, p: ios_platform_images, platform-ios, waiting for tree to go green)

3617 [google_sign_in] Bump platform interface version for NNBD stable (cla: yes, p: google_sign_in)

3618 [quick_action] null safety stable release (cla: yes, p: quick_actions, waiting for tree to go green)

3619 [webview_flutter] null safety stable release (cla: yes, p: webview_flutter)

3620 [wifi_info_flutter_platform_interface] null safety stable release (cla: yes, nnbd, p: wifi_info_flutter)