Update scalafmt-core to 2.6.4#76

scala-steward wants to merge 1 commit intoThoughtWorksInc:masterThoughtWorksInc/Extractor.scala:masterfrom

scala-steward:update/scalafmt-core-2.6.4scala-steward/Extractor.scala:update/scalafmt-core-2.6.4Copy head branch name to clipboard