Update sbt-scalafmt to 2.4.6 (#1429)
Update sbt-scalafmt to 2.4.6 (#1429)

Co-authored-by: Georgi Krastev <6b88efd12ed584a6a9dbe69ccd5b7ce5c7f57b95@gmail.com>
Co-authored-by: tpetillot <805475c8be6d6176409c06d18db3d41942dcc06a@users.noreply.github.com>
finagle/finch