Revert “Starts using the --source flag to compile the dart registrant. (#98046) by @gaaclarke in https://github.com/flutter/flutter/pull/100493

Revert “[flutter_tools] remove pub dependencies from universal #97722” by @Jasguerrero in https://github.com/flutter/flutter/pull/100508

[macOS] Use arm64 snapshot in arm64 App.framework by @cbracken in https://github.com/flutter/flutter/pull/100504

Upgrade to flutter_lints 2.0 by @goderbauer in https://github.com/flutter/flutter/pull/99881

[flutter_tools] Skip version freshness check for non-standard remotes by @RoyARG02 in https://github.com/flutter/flutter/pull/97202