normalize the workflow files (dart-lang#857)

update the topics section of several pubspecs (dart-lang#854)

Moving fixes (dart-lang#736)

update the pubspec version of package:collection (dart-lang#730)

Merge pull request dart-lang#579 from dart-lang/merge-collection-package

Merge `package:collection`

Merge pull request dart-lang#405 from dart-lang/merge-typed_data-package

Merge `package:typed_data`

Merge pull request dart-lang#404 from dart-lang/merge-platform-package

Merge `package:platform`

Merge pull request dart-lang#403 from dart-lang/merge-path-package

Merge `package:path`

Merge pull request dart-lang#402 from dart-lang/merge-os_detect-package

Merge `package:os_detect`

Merge pull request dart-lang#401 from dart-lang/merge-logging-package

Merge `package:logging`