bumped AppAuth iOS dependency to 1.7.4 (#491)

bumped AppAuth iOS to 1.7.2 (#487)

prepare for 6.0.4 release (#475)

[flutter_appauth] prepare for 6.0.3 release (#472)

* added changes to gradle script to align with Flutter

* prepare for 6.0.3 release

* added changelog entry on example app update

added privacy manifest (#470)

prepare for 6.0.2 release (#448)

prepare for 6.0.1 release (#441)

[various] bumped maximum Dart SDK constraint and AppAuth iOS dependen…

…cy (#427)

* bumped maximum Dart SDK constraint

* recreated macOS example app and updated macOS side of plugin to reference AppAuth-iOS 1.6.2

* realigned Flutter and Dart SDK constraints for platform interface

* reference AppAuth-iOS 1.6.2 for iOS side of plugin

* recreate iOS side of example app

[various] bumped maximum Dart SDK constraint and AppAuth iOS dependen…

…cy (#427)

* bumped maximum Dart SDK constraint

* recreated macOS example app and updated macOS side of plugin to reference AppAuth-iOS 1.6.2

* realigned Flutter and Dart SDK constraints for platform interface

* reference AppAuth-iOS 1.6.2 for iOS side of plugin

* recreate iOS side of example app

removed v1 Android embedding references (#426)