Merge pull request sbt#284 from scala-steward/update/scalafmt-core-3.9.1

Update scalafmt-core to 3.9.1

Author: raboof

.scalafmt.conf

@@ -1,4 +1,4 @@
-version = "3.9.0"
+version = "3.9.1"
 maxColumn = 150
 align.tokens = []
 docstrings.wrap = keep