Merge pull request blemale#431 from scala-steward/update/scalafmt-core-3.9.1

Update scalafmt-core to 3.9.1

Author: mergify[bot]

.scalafmt.conf

@@ -1,4 +1,4 @@
-version = 3.8.6
+version = 3.9.1
 runner.dialect = scala212
 fileOverride {
   "glob:**.sbt" {