Update scalafmt-core to 3.8.3#536

scala-steward wants to merge 1 commit intomockito:release/1.xmockito/mockito-scala:release/1.xfrom

scala-steward:update/scalafmt-core-3.8.3scala-steward/mockito-scala:update/scalafmt-core-3.8.3Copy head branch name to clipboard