rev to 2.1.3 in preparation for release (dart-lang/pub_semver#75)

* rev to 2.1.3 in preparation for release

* Update CHANGELOG.md

Co-authored-by: Kevin Moore <kevmoo@users.noreply.github.com>

Co-authored-by: Kevin Moore <kevmoo@users.noreply.github.com>
2 files changed
tree: 59045323d17e52bfc7cc89eef3200fc59ed7364d
  1. pkgs/