Add integration test for flutter build windows by @loic-sharma in https://github.com/flutter/flutter/pull/106053

Do not show diagnostic warning for disconnected iOS devices by @jmagman in https://github.com/flutter/flutter/pull/105971

migrate more unit tests to null safety by @jonahwilliams in https://github.com/flutter/flutter/pull/106153

[flutter_tools] Have FlutterValidator fail on non-ideal git config by @RoyARG02 in https://github.com/flutter/flutter/pull/103259

migrate web integration tests to null safety by @jonahwilliams in https://github.com/flutter/flutter/pull/106231

Pass app.started events to the DAP client + dart.debuggerUris for Profile mode by @DanTup in https://github.com/flutter/flutter/pull/106337