Merge pull request #366 from playframework/update/scalafmt-core-3.9.4

scalafmt-core 3.9.4 (was 3.8.6)

Author: mkurz

.scalafmt.conf

@@ -13,4 +13,4 @@ rewrite.rules = [ AvoidInfix, ExpandImportSelectors, RedundantParens, SortModifi
 rewrite.sortModifiers.order = [ "private", "protected", "final", "sealed", "abstract", "implicit", "override", "lazy" ]
 spaces.inImportCurlyBraces = true   # more idiomatic to include whitepsace in import x.{ yyy }
 trailingCommas = preserve
-version = 3.8.6
+version = 3.9.4