[flutter_tools] normalize windows file path cases in flutter validator by @christopherfujino in https://github.com/flutter/flutter/pull/115889

[flutter_tools] add debug trace when compiling dart2js by @christopherfujino in https://github.com/flutter/flutter/pull/116238

[flutter_tools] Forward app.webLaunchUrl event from Flutter to DAP clients by @DanTup in https://github.com/flutter/flutter/pull/116275

[flutter_tools] add deprecation message for “flutter format” by @christopherfujino in https://github.com/flutter/flutter/pull/116145

[gen_l10n] Improvements to gen_l10n by @thkim1011 in https://github.com/flutter/flutter/pull/116202