Update scalafmt-core to 3.9.4#401

pjfanning merged 1 commit intoswagger-akka-http:developswagger-akka-http/swagger-scala-module:developfrom

scala-steward:update/scalafmt-core-3.9.4scala-steward/swagger-scala-module:update/scalafmt-core-3.9.4Copy head branch name to clipboard