Bump dart-lang/setup-dart from 1.7.1 to 1.7.2 in the github-actions group Closes https://github.com/dart-lang/flute/pull/31 GitOrigin-RevId: 5c81dd3463cb9ba1e79962b040501c6d26c6348f Change-Id: I843e05a3f2ea1814537d81ef07fd7db94229d165 Reviewed-on: https://dart-review.googlesource.com/c/flute/+/492080 Reviewed-by: Alexander Thomas <athom@google.com> Commit-Queue: Alexander Thomas <athom@google.com>