Fix existing DUPLICATE_IMPORT diagnostics. by @scheglov in https://github.com/flutter/flutter/pull/104533

[web] [fix] Cache resource data only if the fetching succeed by @dacianf in https://github.com/flutter/flutter/pull/103816

[flutter_tools] General info project validator by @Jasguerrero in https://github.com/flutter/flutter/pull/103653

Migrate some test files to null safety by @jmagman in https://github.com/flutter/flutter/pull/104469

Migrate create command to null safety by @jmagman in https://github.com/flutter/flutter/pull/104484

Create static plugin frameworks build ios-framework –static by @jmagman in https://github.com/flutter/flutter/pull/104576